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Including CVEs outside Waratek scope✕Product firefox✕
Overview 531 matches · 0 in Waratek scope · 0 protected · 7 exploited · 4 CISA KEV · 18 public PoC · 4 EPSS ≥ 0.5
531matches 0in Waratek scope0.0% 0protected0.0% 7exploited1.3% 4CISA KEV0.8% 18public PoC3.4% 4EPSS ≥ 0.50.8%
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0 0.0% Mitigation candidate 0 0.0% No exploit published 0 0.0% Outside Waratek scope 1 0.2% Not applicable 530 99.8% Withdrawn CVE 0 0.0%
Critical 531 100.0% High 0 0.0% Medium 0 0.0% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 531 100.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 7 1.3% Working exploit published 9 1.7% Proof of concept only 11 2.1% Forecast only 0 0.0% No public exploit 504 94.9%
split by peak 205 / year
Not applicable: 530Outside Waratek scope: 1 Critical: 531 not blocked: 531 No public exploit: 504Proof of concept only: 11Working exploit published: 9Exploited: 7
20102 Not applicable2 Critical2 not blocked2 Exploited1 Working exploit published1 20110 20120 20136 Not applicable6 Critical6 not blocked6 No public exploit6 20149 Not applicable9 Critical9 not blocked9 Exploited2 No public exploit7 20151 Outside Waratek scope1 Critical1 not blocked1 No public exploit1 201615 Not applicable15 Critical15 not blocked15 No public exploit15 20171 Not applicable1 Critical1 not blocked1 No public exploit1 2018119 Not applicable119 Critical119 not blocked119 Working exploit published6 No public exploit113 201937 Not applicable37 Critical37 not blocked37 Exploited1 Working exploit published2 Proof of concept only1 No public exploit33 202014 Not applicable14 Critical14 not blocked14 No public exploit14 20213 Not applicable3 Critical3 not blocked3 No public exploit3 202218 Not applicable18 Critical18 not blocked18 Exploited1 Proof of concept only6 No public exploit11 202319 Not applicable19 Critical19 not blocked19 No public exploit19 202435 Not applicable35 Critical35 not blocked35 Exploited1 Proof of concept only2 No public exploit32 202547 Not applicable47 Critical47 not blocked47 Exploited1 Proof of concept only1 No public exploit45 2026205 Not applicable205 Critical205 not blocked205 Proof of concept only1 No public exploit204
201020122014201620182020202220242026
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CVE Severity Published▾ Status Exploitation Description
CVE-2026-106016 Critical 2026-10-06 Not applicable No public exploit Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 157.0.1 and Thunderbird 158.
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-2026-100819 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-2026-100811 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-2026-100804 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-2026-100800 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-2026-100794 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-2026-100788 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-2026-100781 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-2026-100778 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-2026-100775 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-2026-100770 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-2026-100763 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-2026-100760 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-2026-100758 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-2026-92079 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-2026-92075 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-2026-92071 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-2026-92066 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-2026-92061 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-2026-92059 Critical 2026-09-15 Not applicable No public exploit Incorrect boundary conditions in the DOM: Editor component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92057 Critical 2026-09-15 Not applicable No public exploit Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92051 Critical 2026-09-15 Not applicable No public exploit Spoofing issue due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
CVE-2026-92050 Critical 2026-09-15 Not applicable No public exploit Sandbox escape due to race condition in the XPConnect component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
CVE-2026-92048 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-2026-92045 Critical 2026-09-15 Not applicable No public exploit Sandbox escape due to incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92041 Critical 2026-09-15 Not applicable No public exploit Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92038 Critical 2026-09-15 Not applicable No public exploit Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92037 Critical 2026-09-15 Not applicable No public exploit Incorrect boundary conditions in the DOM: Animation component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
CVE-2026-92036 Critical 2026-09-15 Not applicable No public exploit Incorrect boundary conditions in the Networking: HTTP component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
CVE-2026-92035 Critical 2026-09-15 Not applicable No public exploit Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Thunderbird 140.17, Firefox 156, Firefox ESR 153.3, Thunderbird 156, Thunderbird 153.3, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-92034 Critical 2026-09-15 Not applicable No public exploit Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
CVE-2026-92032 Critical 2026-09-15 Not applicable No public exploit Sandbox escape due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92018 Critical 2026-09-15 Not applicable No public exploit Sandbox escape in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-84143 Critical 2026-09-01 Not applicable No public exploit Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.
CVE-2026-84142 Critical 2026-09-01 Not applicable No public exploit Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155 and Thunderbird 155.
CVE-2026-84141 Critical 2026-09-01 Not applicable No public exploit Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
CVE-2026-84140 Critical 2026-09-01 Not applicable No public exploit Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
CVE-2026-84139 Critical 2026-09-01 Not applicable No public exploit Clickjacking issue in the DOM: Events component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
CVE-2026-84137 Critical 2026-09-01 Not applicable No public exploit Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
CVE-2026-84136 Critical 2026-09-01 Not applicable No public exploit Other issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
CVE-2026-84135 Critical 2026-09-01 Not applicable No public exploit Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.
CVE-2026-84134 Critical 2026-09-01 Not applicable No public exploit Other issue in the Profile Backup component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
CVE-2026-84133 Critical 2026-09-01 Not applicable No public exploit Site isolation issue in the DOM: Push Subscriptions component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
CVE-2026-84129 Critical 2026-09-01 Not applicable No public exploit Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
CVE-2026-84121 Critical 2026-09-01 Not applicable No public exploit Sandbox escape due to use-after-free in the DOM: Security component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.
CVE-2026-84119 Critical 2026-09-01 Not applicable No public exploit Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.
CVE-2026-75874 Critical 2026-08-18 Not applicable No public exploit Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Thunderbird 154, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 140.15, and Thunderbird 153.2.
CVE-2026-74990 Critical 2026-08-18 Not applicable No public exploit Internally found bugs present in Firefox ESR 115.38, Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74989 Critical 2026-08-18 Not applicable No public exploit Internally found bugs present in Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154 and Thunderbird 154.
CVE-2026-74988 Critical 2026-08-18 Not applicable No public exploit Internally found bugs present in Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74987 Critical 2026-08-18 Not applicable No public exploit Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74986 Critical 2026-08-18 Not applicable No public exploit Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74985 Critical 2026-08-18 Not applicable No public exploit Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74979 Critical 2026-08-18 Not applicable No public exploit Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74964 Critical 2026-08-18 Not applicable No public exploit Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74961 Critical 2026-08-18 Not applicable No public exploit Side-channel in the Web Audio component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74959 Critical 2026-08-18 Not applicable No public exploit Mitigation bypass in the Storage: Cache API component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74956 Critical 2026-08-18 Not applicable No public exploit Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74944 Critical 2026-08-18 Not applicable No public exploit Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74943 Critical 2026-08-18 Not applicable No public exploit Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74940 Critical 2026-08-18 Not applicable No public exploit Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74938 Critical 2026-08-18 Not applicable No public exploit Mitigation bypass in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74936 Critical 2026-08-18 Not applicable No public exploit Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-16412 Critical 2026-07-21 Not applicable No public exploit Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16411 Critical 2026-07-21 Not applicable No public exploit Memory safety bugs present in Thunderbird 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16410 Critical 2026-07-21 Not applicable No public exploit JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16408 Critical 2026-07-21 Not applicable No public exploit Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16407 Critical 2026-07-21 Not applicable No public exploit Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16406 Critical 2026-07-21 Not applicable No public exploit Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16402 Critical 2026-07-21 Not applicable No public exploit Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16395 Critical 2026-07-21 Not applicable No public exploit Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16394 Critical 2026-07-21 Not applicable No public exploit Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16393 Critical 2026-07-21 Not applicable No public exploit Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16392 Critical 2026-07-21 Not applicable No public exploit JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16390 Critical 2026-07-21 Not applicable No public exploit Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16389 Critical 2026-07-21 Not applicable No public exploit Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16388 Critical 2026-07-21 Not applicable No public exploit Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16387 Critical 2026-07-21 Not applicable No public exploit Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16383 Critical 2026-07-21 Not applicable No public exploit Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16382 Critical 2026-07-21 Not applicable No public exploit Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16381 Critical 2026-07-21 Not applicable No public exploit Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16380 Critical 2026-07-21 Not applicable No public exploit Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16377 Critical 2026-07-21 Not applicable No public exploit Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16375 Critical 2026-07-21 Not applicable No public exploit Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16370 Critical 2026-07-21 Not applicable No public exploit Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16369 Critical 2026-07-21 Not applicable No public exploit Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16368 Critical 2026-07-21 Not applicable No public exploit Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16367 Critical 2026-07-21 Not applicable No public exploit Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16364 Critical 2026-07-21 Not applicable No public exploit Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVE-2026-16363 Critical 2026-07-21 Not applicable No public exploit JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16361 Critical 2026-07-21 Not applicable No public exploit Memory safety bugs present in Thunderbird ESR 140.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13.
CVE-2026-16360 Critical 2026-07-21 Not applicable No public exploit Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
CVE-2026-16359 Critical 2026-07-21 Not applicable No public exploit Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
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