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When using the Chainsaw or SocketAppender components with Log4j 1.x on JRE less than 1.7, an attacker that manages to cause a logging entry involving a specially-crafted (ie, deeply nested)
hashmap or hashtable (depending on which logging component is in use) to be processed could exhaust the available memory in the virtual machine and achieve Denial of Service when the object is deserialized.
This issue affects Apache Log4j before 2. Affected users are recommended to update to Log4j 2.x.
NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
mend-bolt-for-githubbot
changed the title
CVE-2023-26464 (High) detected in log4j-1.2.16.jar
CVE-2023-26464 (High) detected in log4j-1.2.16.jar, log4j-1.2.17.jar
Nov 18, 2023
mend-bolt-for-githubbot
changed the title
CVE-2023-26464 (High) detected in log4j-1.2.16.jar, log4j-1.2.17.jar
CVE-2023-26464 (High) detected in log4j-1.2.17.jar
Dec 4, 2023
CVE-2023-26464 - High Severity Vulnerability
Apache Log4j 1.2
Path to dependency file: /owner-extras/pom.xml
Path to vulnerable library: /owner-extras/pom.xml
Dependency Hierarchy:
Found in HEAD commit: 12e21721ff1098fe44de120bf2737fd994f40fa6
Found in base branch: master
** UNSUPPORTED WHEN ASSIGNED **
When using the Chainsaw or SocketAppender components with Log4j 1.x on JRE less than 1.7, an attacker that manages to cause a logging entry involving a specially-crafted (ie, deeply nested)
hashmap or hashtable (depending on which logging component is in use) to be processed could exhaust the available memory in the virtual machine and achieve Denial of Service when the object is deserialized.
This issue affects Apache Log4j before 2. Affected users are recommended to update to Log4j 2.x.
NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
Publish Date: 2023-03-10
URL: CVE-2023-26464
Base Score Metrics:
Type: Upgrade version
Origin: GHSA-vp98-w2p3-mv35
Release Date: 2023-03-10
Fix Resolution: org.apache.logging.log4j:log4j-core:2.0
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