Advisory Published

USN-7259-1: GNU C Library vulnerability

First published: Thu Feb 06 2025(Updated: )

It was discovered that GNU C Library incorrectly handled memory when using the assert function. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libc6<2.40-1ubuntu3.1
2.40-1ubuntu3.1
Xfce Application Finder=24.10
All of
ubuntu/libc6<2.39-0ubuntu8.4
2.39-0ubuntu8.4
Xfce Application Finder=24.04
All of
ubuntu/libc6<2.35-0ubuntu3.9
2.35-0ubuntu3.9
Xfce Application Finder=22.04
All of
ubuntu/libc6<2.31-0ubuntu9.17
2.31-0ubuntu9.17
Xfce Application Finder=20.04
All of
ubuntu/libc6<2.27-3ubuntu1.6+esm4
2.27-3ubuntu1.6+esm4
Xfce Application Finder=18.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7259-1?

    The severity of USN-7259-1 is critical due to a memory handling flaw in the GNU C Library that can lead to denial of service or arbitrary code execution.

  • How do I fix USN-7259-1?

    To fix USN-7259-1, upgrade the libc6 package to the recommended version according to your Ubuntu release.

  • What versions of Ubuntu are affected by USN-7259-1?

    USN-7259-1 affects Ubuntu versions 20.04, 22.04, 24.04, and 24.10 with specific libc6 versions.

  • What is the cause of the vulnerability in USN-7259-1?

    The vulnerability in USN-7259-1 is caused by improper memory handling when using the assert function in the GNU C Library.

  • Can USN-7259-1 lead to remote attacks?

    Yes, USN-7259-1 could potentially allow attackers to execute arbitrary code or cause denial of service, making it a serious risk.

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