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Oracle Critical Patch Update January 2026

Released January 2026 · Oracle's advisory ↗ · ← Critical Patch Update, October 2025 · Critical Patch Update, April 2026 →

219 CVEs in this release, one square each

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Share this chart Oracle Critical Patch Update January 2026, one square per CVE: 75 Java CVEs, 15 protected by Waratek, 6 exploited, 144 other CVEs in this release.

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15Protected by Waratek2Mitigation candidate58No exploit published14Outside Waratek scope130Not applicable 6Exploited, marked by the ring

No exploit published. For 26 of them, Oracle's security advisory is the source of public detail.

Protected by Waratek. Waratek RASP can block exploitation of these on systems that have not applied the patch yet.

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Including CVEs outside Waratek scope✕
Overview 219 matches · 75 in Waratek scope · 15 protected · 6 exploited · 2 CISA KEV · 17 public PoC · 6 EPSS ≥ 0.5
219matches 75in Waratek scope34.2% 15protected6.8% 6exploited2.7% 2CISA KEV0.9% 17public PoC7.8% 6EPSS ≥ 0.52.7%
Protected by Waratek 15 6.8% Rule in development 0 0.0% Mitigation candidate 2 0.9% No exploit published 58 26.5% Outside Waratek scope 14 6.4% Not applicable 130 59.4% Withdrawn CVE 0 0.0%
Critical 18 8.2% High 87 39.7% Medium 100 45.7% Low 14 6.4% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 15 6.8% partly blocked 0 0.0% not blocked 204 93.2% not established 0 0.0% unrecorded 0 0.0%
Exploited 6 2.7% Working exploit published 8 3.7% Proof of concept only 31 14.2% Forecast only 0 0.0% No public exploit 174 79.5%
split by peak 129 / year
Not applicable: 130Outside Waratek scope: 14No exploit published: 58Mitigation candidate: 2Protected by Waratek: 15 Low: 14Medium: 100High: 87Critical: 18 not blocked: 204blocked by ARMR today: 15 No public exploit: 174Proof of concept only: 31Working exploit published: 8Exploited: 6
20181 Protected by Waratek1 High1 blocked by ARMR today1 No public exploit1 20190 20201 Protected by Waratek1 Critical1 blocked by ARMR today1 No public exploit1 20214 Protected by Waratek4 Critical2 High1 Medium1 blocked by ARMR today4 Exploited1 No public exploit3 20222 Protected by Waratek1 Not applicable1 Critical1 Medium1 blocked by ARMR today1 not blocked1 Proof of concept only1 No public exploit1 20237 Not applicable7 High4 Medium3 not blocked7 No public exploit7 20249 Protected by Waratek1 No exploit published2 Outside Waratek scope1 Not applicable5 Critical2 High1 Medium6 blocked by ARMR today1 not blocked8 Proof of concept only1 No public exploit8 2025129 Protected by Waratek7 Mitigation candidate2 No exploit published29 Outside Waratek scope9 Not applicable82 Critical10 High61 Medium48 Low10 blocked by ARMR today7 not blocked122 Exploited4 Working exploit published8 Proof of concept only29 No public exploit88 202666 No exploit published27 Outside Waratek scope4 Not applicable35 Critical2 High19 Medium41 Low4 not blocked66 Exploited1 No public exploit65
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CVE Severity Published▾ Status Exploitation Description
CVE-2024-47554 Medium 2024-10-03 No exploit published No public exploit Uncontrolled Resource Consumption vulnerability in Apache Commons IO. The org.apache.commons.io.input.XmlStreamReader class may excessively consume CPU resources when processing maliciously crafted input. This issue affects Apache Commons IO: from 2.0 before 2.14.0. Users are recommended to upgrade to version 2.14.0 or later, which fixes the issue.
CVE-2024-43796 Medium 2024-09-10 Not applicable No public exploit Express.js minimalist web framework for node. In express < 4.20.0, passing untrusted user input - even after sanitizing it - to response.redirect() may execute untrusted code. This issue is patched in express 4.20.0.
CVE-2024-23807 Critical 2024-02-29 Not applicable No public exploit The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs. Users are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable. This issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.
CVE-2023-29081 Medium 2024-01-26 Not applicable No public exploit A vulnerability has been reported in Suite Setups built with versions prior to InstallShield 2023 R2. This vulnerability may allow locally authenticated users to cause a Denial of Service (DoS) condition when handling move operations on local, temporary folders.
CVE-2023-4154 High 2023-11-07 Not applicable No public exploit A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Read-Only Domain Controllers (RODCs). This flaw allows RODCs and users possessing the GET_CHANGES right to access all attributes, including sensitive secrets and passwords. Even in a default setup, RODC DC accounts, which should only replicate some passwords, can gain access to all domain secrets, including the vital krbtgt, effectively eliminating the RODC / DC distinction. Furthermore, the vulnerability fails to account for error conditions (fail open), like out-of-memory situations, potentially granting access to secret attributes, even under low-privileged attacker influence.
CVE-2023-42669 Medium 2023-11-06 Not applicable No public exploit A vulnerability was found in Samba's "rpcecho" development server, a non-Windows RPC server used to test Samba's DCE/RPC stack elements. This vulnerability stems from an RPC function that can be blocked indefinitely. The issue arises because the "rpcecho" service operates with only one worker in the main RPC task, allowing calls to the "rpcecho" server to be blocked for a specified time, causing service disruptions. This disruption is triggered by a "sleep()" call in the "dcesrv_echo_TestSleep()" function under specific conditions. Authenticated users or attackers can exploit this vulnerability to make calls to the "rpcecho" server, requesting it to block for a specified duration, effectively disrupting most services and leading to a complete denial of service on the AD DC. The DoS affects all other services as "rpcecho" runs in the main RPC task.
CVE-2023-42670 Medium 2023-11-03 Not applicable No public exploit A flaw was found in Samba. It is susceptible to a vulnerability where multiple incompatible RPC listeners can be initiated, causing disruptions in the AD DC service. When Samba's RPC server experiences a high load or unresponsiveness, servers intended for non-AD DC purposes (for example, NT4-emulation "classic DCs") can erroneously start and compete for the same unix domain sockets. This issue leads to partial query responses from the AD DC, causing issues such as "The procedure number is out of range" when using tools like Active Directory Users. This flaw allows an attacker to disrupt AD DC services.
CVE-2023-4091 Medium 2023-11-03 Not applicable No public exploit A vulnerability was discovered in Samba, where the flaw allows SMB clients to truncate files, even with read-only permissions when the Samba VFS module "acl_xattr" is configured with "acl_xattr:ignore system acls = yes". The SMB protocol allows opening files when the client requests read-only access but then implicitly truncates the opened file to 0 bytes if the client specifies a separate OVERWRITE create disposition request. The issue arises in configurations that bypass kernel file system permissions checks, relying solely on Samba's permissions.
CVE-2023-1393 High 2023-03-30 Not applicable No public exploit A flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client explicitly destroys the compositor overlay window (aka COW), the Xserver would leave a dangling pointer to that window in the CompScreen structure, which will trigger a use-after-free later.
CVE-2022-41342 High 2023-02-06 Not applicable No public exploit Improper buffer restrictions in the Intel(R) C++ Compiler Classic before version 2021.7.1 for some Intel(R) oneAPI Toolkits before version 2022.3.1 may allow a privileged user to potentially enable escalation of privilege via local access.
CVE-2022-40196 High 2023-02-06 Not applicable No public exploit Improper access control in the Intel(R) oneAPI DPC++/C++ Compiler before version 2022.2.1 and Intel C++ Compiler Classic before version 2021.7.1 for some Intel(R) oneAPI Toolkits before version 2022.3.1 may allow an authenticated user to potentially enable escalation of privilege via local access.
CVE-2022-45047 Critical 2022-11-16 Protected by Waratek Proof of concept only Class org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider in Apache MINA SSHD <= 2.9.1 uses Java deserialization to load a serialized java.security.PrivateKey. The class is one of several implementations that an implementor using Apache MINA SSHD can choose for loading the host keys of an SSH server.
CVE-2022-23395 Medium 2022-03-02 Not applicable No public exploit jQuery Cookie 1.4.1 is affected by prototype pollution, which can lead to DOM cross-site scripting (XSS).
CVE-2021-45105 Medium 2021-12-18 Protected by Waratek Exploited Apache Log4j2 versions 2.0-alpha1 through 2.16.0 (excluding 2.12.3 and 2.3.1) did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is interpreted. This issue was fixed in Log4j 2.17.0, 2.12.3, and 2.3.1.
CVE-2021-43113 Critical 2021-12-15 Protected by Waratek No public exploit iTextPDF in iText 7 and up to (excluding 4.4.13.3) 7.1.17 allows command injection via a CompareTool filename that is mishandled on the gs (aka Ghostscript) command line in GhostscriptHelper.java.
CVE-2021-33813 High 2021-06-16 Protected by Waratek No public exploit An XXE issue in SAXBuilder in JDOM through 2.0.6 allows attackers to cause a denial of service via a crafted HTTP request.
CVE-2021-23926 Critical 2021-01-14 Protected by Waratek No public exploit The XML parsers used by XMLBeans up to version 2.6.0 did not set the properties needed to protect the user from malicious XML input. Vulnerabilities include possibilities for XML Entity Expansion attacks. Affects XMLBeans up to and including v2.6.0.
CVE-2020-10683 Critical 2020-05-01 Protected by Waratek No public exploit dom4j before 2.0.3 and 2.1.x before 2.1.3 allows external DTDs and External Entities by default, which might enable XXE attacks. However, there is popular external documentation from OWASP showing how to enable the safe, non-default behavior in any application that uses dom4j.
CVE-2018-1000632 High 2018-08-20 Protected by Waratek No public exploit dom4j version prior to version 2.1.1 contains a CWE-91: XML Injection vulnerability in Class: Element. Methods: addElement, addAttribute that can result in an attacker tampering with XML documents through XML injection. This attack appear to be exploitable via an attacker specifying attributes or elements in the XML document. This vulnerability appears to have been fixed in 2.1.1 or later.
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