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Including CVEs outside Waratek scope✕Vendor mozilla✕Product thunderbird✕
Overview 2,069 matches · 0 in Waratek scope · 0 protected · 26 exploited · 14 CISA KEV · 65 public PoC · 18 EPSS ≥ 0.5
Protected by Waratek 0 0.0% Rule in development 0 0.0% Mitigation candidate 0 0.0% No exploit published 0 0.0% Outside Waratek scope 6 0.3% Not applicable 2,063 99.7% Withdrawn CVE 0 0.0%
blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 2,069 100.0% not established 0 0.0% unrecorded 0 0.0%
split by peak 503 / year
Not applicable: 2,063Outside Waratek scope: 6 Low: 26Medium: 646High: 1,009Critical: 388 not blocked: 2,069 No public exploit: 1,937Forecast only: 2Proof of concept only: 60Working exploit published: 44Exploited: 26
200413 Not applicable13 High5 Medium7 Low1 not blocked13 Working exploit published1 No public exploit12 200513 Not applicable13 High3 Medium6 Low4 not blocked13 Working exploit published1 No public exploit12 200669 Not applicable69 High32 Medium29 Low8 not blocked69 Working exploit published4 No public exploit65 200716 Not applicable16 High9 Medium6 Low1 not blocked16 Working exploit published2 Forecast only1 No public exploit13 200850 Not applicable50 High27 Medium22 Low1 not blocked50 Working exploit published1 No public exploit49 200939 Not applicable39 High23 Medium16 not blocked39 Exploited1 Working exploit published2 No public exploit36 201063 Not applicable63 Critical2 High38 Medium23 not blocked63 Exploited1 Working exploit published6 No public exploit56 201169 Not applicable69 High48 Medium19 Low2 not blocked69 Working exploit published2 No public exploit67 2012149 Not applicable149 High99 Medium48 Low2 not blocked149 Working exploit published2 No public exploit147 2013113 Outside Waratek scope1 Not applicable112 Critical6 High75 Medium32 not blocked113 Exploited4 Working exploit published3 Forecast only1 No public exploit105 201464 Outside Waratek scope2 Not applicable62 Critical9 High33 Medium21 Low1 not blocked64 Exploited2 Working exploit published2 No public exploit60 201530 Outside Waratek scope1 Not applicable29 High16 Medium13 Low1 not blocked30 Working exploit published1 Proof of concept only1 No public exploit28 201613 Not applicable13 High11 Medium2 not blocked13 Working exploit published1 No public exploit12 20171 Not applicable1 High1 not blocked1 No public exploit1 2018176 Not applicable176 Critical86 High52 Medium38 not blocked176 Exploited1 Working exploit published6 Proof of concept only1 No public exploit168 201965 Not applicable65 Critical29 High20 Medium15 Low1 not blocked65 Exploited3 Working exploit published8 Proof of concept only1 No public exploit53 202081 Not applicable81 Critical5 High43 Medium33 not blocked81 Exploited4 Working exploit published1 No public exploit76 202180 Not applicable80 Critical1 High42 Medium36 Low1 not blocked80 No public exploit80 2022116 Not applicable116 Critical13 High48 Medium55 not blocked116 Exploited7 Proof of concept only32 No public exploit77 2023102 Outside Waratek scope1 Not applicable101 Critical8 High44 Medium49 Low1 not blocked102 Exploited2 Proof of concept only22 No public exploit78 2024118 Outside Waratek scope1 Not applicable117 Critical19 High51 Medium46 Low2 not blocked118 Exploited1 Working exploit published1 Proof of concept only1 No public exploit115 2025126 Not applicable126 Critical28 High57 Medium41 not blocked126 Proof of concept only1 No public exploit125 2026503 Not applicable503 Critical182 High232 Medium89 not blocked503 Proof of concept only1 No public exploit502
200420062008201020122014201620182020202220242026
2,069 matches Sign in to download these CVEs as CSV or JSON, or to follow them in a feed. ‹ prev page 1 of 21 next ›
CVE Severity Published▾ Status Exploitation Description
CVE-2026-103500 Medium 2026-09-30 Not applicable No public exploit An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size. This vulnerability was fixed in Thunderbird 157, Thunderbird 140.17, and Thunderbird 153.4.
CVE-2026-96869 Medium 2026-09-29 Not applicable No public exploit Information disclosure in the Networking component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100832 High 2026-09-29 Not applicable No public exploit Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 140.17, Thunderbird 153.4, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100831 High 2026-09-29 Not applicable No public exploit Use-after-free in the DOM: UI Events & Focus Handling component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100830 High 2026-09-29 Not applicable No public exploit Mitigation bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100829 Critical 2026-09-29 Not applicable No public exploit Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100828 Critical 2026-09-29 Not applicable No public exploit Mitigation bypass in the Bookmarks & History component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100826 Medium 2026-09-29 Not applicable No public exploit Denial-of-service in the Storage: StorageManager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100825 High 2026-09-29 Not applicable No public exploit Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100824 High 2026-09-29 Not applicable No public exploit Privilege escalation in the Places component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100822 Medium 2026-09-29 Not applicable No public exploit Spoofing issue in the Networking: HTTP component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100821 Medium 2026-09-29 Not applicable No public exploit Site isolation issue in the Panning and Zooming component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100820 High 2026-09-29 Not applicable No public exploit Privilege escalation in the Address Bar component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100819 Critical 2026-09-29 Not applicable No public exploit Sandbox escape due to incorrect boundary conditions in the XPCOM component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100818 Critical 2026-09-29 Not applicable No public exploit Sandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100817 Medium 2026-09-29 Not applicable No public exploit Other issue in the JavaScript: WebAssembly component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100816 High 2026-09-29 Not applicable No public exploit Site isolation issue in the DOM: Networking component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100815 High 2026-09-29 Not applicable No public exploit Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100814 High 2026-09-29 Not applicable No public exploit Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100813 High 2026-09-29 Not applicable No public exploit Invalid pointer in the JavaScript Engine: JIT component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100812 Medium 2026-09-29 Not applicable No public exploit Denial-of-service in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100811 Critical 2026-09-29 Not applicable No public exploit Sandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100810 Critical 2026-09-29 Not applicable No public exploit Other issue in the DevTools component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100809 High 2026-09-29 Not applicable No public exploit Same-origin policy bypass in the DevTools component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100808 High 2026-09-29 Not applicable No public exploit Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100807 High 2026-09-29 Not applicable No public exploit Privilege escalation in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100806 Medium 2026-09-29 Not applicable No public exploit Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100805 High 2026-09-29 Not applicable No public exploit Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100804 Critical 2026-09-29 Not applicable No public exploit Sandbox escape due to use-after-free in the Preferences: Backend component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100803 High 2026-09-29 Not applicable No public exploit Same-origin policy bypass in the WebExtensions component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100802 Medium 2026-09-29 Not applicable No public exploit Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100801 High 2026-09-29 Not applicable No public exploit Privilege escalation in the DLL Services component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 159, Firefox ESR 153.6, Thunderbird 159, Thunderbird 153.6, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100800 Critical 2026-09-29 Not applicable No public exploit Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100799 Medium 2026-09-29 Not applicable No public exploit Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100798 High 2026-09-29 Not applicable No public exploit Cryptography misuse in Storage: Quota Manager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100797 High 2026-09-29 Not applicable No public exploit Privilege escalation due to use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100796 High 2026-09-29 Not applicable No public exploit Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100795 Medium 2026-09-29 Not applicable No public exploit Denial-of-service in the Networking component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100794 Critical 2026-09-29 Not applicable No public exploit Sandbox escape due to incorrect boundary conditions in the Internationalization component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100793 Medium 2026-09-29 Not applicable No public exploit JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100792 High 2026-09-29 Not applicable No public exploit JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100791 High 2026-09-29 Not applicable No public exploit Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100790 High 2026-09-29 Not applicable No public exploit Use-after-free in the XSLT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100789 High 2026-09-29 Not applicable No public exploit Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100788 Critical 2026-09-29 Not applicable No public exploit Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100787 Critical 2026-09-29 Not applicable No public exploit Sandbox escape in the XUL component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100786 Critical 2026-09-29 Not applicable No public exploit Sandbox escape due to use-after-free in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100785 High 2026-09-29 Not applicable No public exploit Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100784 High 2026-09-29 Not applicable No public exploit Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100783 Medium 2026-09-29 Not applicable No public exploit Uninitialized memory in the Audio/Video component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100782 High 2026-09-29 Not applicable No public exploit Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100781 Critical 2026-09-29 Not applicable No public exploit Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100780 High 2026-09-29 Not applicable No public exploit Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100779 High 2026-09-29 Not applicable No public exploit Use-after-free in the XSLT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100778 Critical 2026-09-29 Not applicable No public exploit Sandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100777 High 2026-09-29 Not applicable No public exploit Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100776 High 2026-09-29 Not applicable No public exploit Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100775 Critical 2026-09-29 Not applicable No public exploit Sandbox escape in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100774 High 2026-09-29 Not applicable No public exploit Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100773 High 2026-09-29 Not applicable No public exploit Use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100772 High 2026-09-29 Not applicable No public exploit Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100771 High 2026-09-29 Not applicable No public exploit Undefined behavior in the DOM: Streams component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100770 Critical 2026-09-29 Not applicable No public exploit Sandbox escape due to use-after-free in the DOM: Content Processes component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100769 High 2026-09-29 Not applicable No public exploit Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
CVE-2026-100768 High 2026-09-29 Not applicable No public exploit Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100767 High 2026-09-29 Not applicable No public exploit Use-after-free in the Networking: Cache component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100766 Medium 2026-09-29 Not applicable No public exploit Information disclosure in the Networking: JAR component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100765 High 2026-09-29 Not applicable No public exploit Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100764 High 2026-09-29 Not applicable No public exploit Privilege escalation due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100763 Critical 2026-09-29 Not applicable No public exploit Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100762 Critical 2026-09-29 Not applicable No public exploit Sandbox escape due to use-after-free in the DOM: Content Processes component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100761 High 2026-09-29 Not applicable No public exploit Privilege escalation due to use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
CVE-2026-100760 Critical 2026-09-29 Not applicable No public exploit Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
CVE-2026-100759 High 2026-09-29 Not applicable No public exploit Uninitialized memory in the Storage: Quota Manager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100758 Critical 2026-09-29 Not applicable No public exploit Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100757 High 2026-09-29 Not applicable No public exploit Use-after-free in the Widget component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-100756 High 2026-09-29 Not applicable No public exploit Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-92240 Critical 2026-09-15 Not applicable No public exploit A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged '* ID' response, crashing Thunderbird. The affected parsing path is reachable before authentication. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92239 High 2026-09-15 Not applicable No public exploit A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92238 Critical 2026-09-15 Not applicable No public exploit A maliciously constructed mail header could lead to multiple fields being parsed as one, or potential memory safety violations. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92079 Critical 2026-09-15 Not applicable No public exploit Mitigation bypass in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92078 Medium 2026-09-15 Not applicable No public exploit Denial-of-service in the Security component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92077 Medium 2026-09-15 Not applicable No public exploit Denial-of-service in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92076 High 2026-09-15 Not applicable No public exploit Incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92075 Critical 2026-09-15 Not applicable No public exploit Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92074 High 2026-09-15 Not applicable No public exploit Mitigation bypass in the Popup Blocker component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92073 High 2026-09-15 Not applicable No public exploit Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92072 High 2026-09-15 Not applicable No public exploit Incorrect boundary conditions in the Safe Browsing component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92071 Critical 2026-09-15 Not applicable No public exploit Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92070 Medium 2026-09-15 Not applicable No public exploit Information disclosure in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92069 Medium 2026-09-15 Not applicable No public exploit Spoofing issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92068 Medium 2026-09-15 Not applicable No public exploit Site isolation issue in the Reader Mode component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92067 High 2026-09-15 Not applicable No public exploit Use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92066 Critical 2026-09-15 Not applicable No public exploit Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
CVE-2026-92065 High 2026-09-15 Not applicable No public exploit Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92064 High 2026-09-15 Not applicable No public exploit Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92063 Medium 2026-09-15 Not applicable No public exploit Denial-of-service in the Audio/Video component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
CVE-2026-92062 High 2026-09-15 Not applicable No public exploit Privilege escalation in the Session Restore component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92061 Critical 2026-09-15 Not applicable No public exploit Incorrect boundary conditions in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
CVE-2026-92060 High 2026-09-15 Not applicable No public exploit Use-after-free in the Internationalization component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
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