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Ubuntu Security Notice USN-7590-1
June 23, 2025

apache-log4j1.2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

Apache Log4j could be made to run programs as your login if it opened a
specially crafted file.

Software Description:
- apache-log4j1.2: Java-based open-source logging tool

Details:

It was discovered that several deserialization issues existed within Apache
Log4j. An attacker could possibly use these issues to enable the execution
of arbitrary code. (CVE-2022-23302, CVE-2022-23305, CVE-2022-23307)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS
  liblog4j1.2-java                1.2.17-4ubuntu3+esm2
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7590-1
  CVE-2022-23302, CVE-2022-23305, CVE-2022-23307