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GHSA-vp98-w2p3-mv35: Apache Log4j 1.x (EOL) allows Denial of Service (DoS)

** 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.

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#vulnerability#mac#dos#apache#git#java#log4j#maven
  1. GitHub Advisory Database
  2. GitHub Reviewed
  3. CVE-2023-26464

Apache Log4j 1.x (EOL) allows Denial of Service (DoS)

Moderate severity GitHub Reviewed Published Mar 10, 2023 to the GitHub Advisory Database • Updated Mar 10, 2023

Package

maven org.apache.logging.log4j:log4j-core (Maven)

Affected versions

>= 1.0.4, < 2.0.0

** 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.

References

  • https://nvd.nist.gov/vuln/detail/CVE-2023-26464
  • https://lists.apache.org/thread/wkx6grrcjkh86crr49p4blc1v1nflj3t

Published by the National Vulnerability Database

Mar 10, 2023

Published to the GitHub Advisory Database

Mar 10, 2023

Last updated

Mar 10, 2023

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CVE-2023-26464

** 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.