USN-7259-1: GNU C Library vulnerability

Publication date

6 February 2025

Overview

GNU C Library could be made to crash or run programs if it received specially crafted input.


Packages

Details

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.

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.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
24.10 oracular libc6 –  2.40-1ubuntu3.1
24.04 noble libc6 –  2.39-0ubuntu8.4
22.04 jammy libc6 –  2.35-0ubuntu3.9
20.04 focal libc6 –  2.31-0ubuntu9.17
18.04 bionic libc6 –  2.27-3ubuntu1.6+esm4  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›