[USN-7259-1] GNU C Library vulnerability

[Hlib Korzhynskyy]

==========================================================================
Ubuntu Security Notice USN-7259-1
February 06, 2025

glibc vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

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

Software Description:
- glibc: GNU C Library

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.

Update instructions:

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

Ubuntu 24.10
   libc6                           2.40-1ubuntu3.1

Ubuntu 24.04 LTS
   libc6                           2.39-0ubuntu8.4

Ubuntu 22.04 LTS
   libc6                           2.35-0ubuntu3.9

Ubuntu 20.04 LTS
   libc6                           2.31-0ubuntu9.17

Ubuntu 18.04 LTS
   libc6                           2.27-3ubuntu1.6+esm4
                                   Available with Ubuntu Pro

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

References:
   https://ubuntu.com/security/notices/USN-7259-1
   CVE-2025-0395

Package Information:
   https://launchpad.net/ubuntu/+source/glibc/2.40-1ubuntu3.1
   https://launchpad.net/ubuntu/+source/glibc/2.39-0ubuntu8.4
   https://launchpad.net/ubuntu/+source/glibc/2.35-0ubuntu3.9
   https://launchpad.net/ubuntu/+source/glibc/2.31-0ubuntu9.17

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