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From: Hlib Korzhynskyy <hlib.korzhynskyy@canonical.com>
Reply-To: security@ubuntu.com
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <876c5ba5-ed1e-4410-889d-4d40e7dca6b0@canonical.com>
Subject: [USN-7259-2] GNU C Library vulnerability

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==========================================================================
Ubuntu Security Notice USN-7259-2
February 10, 2025

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

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

- Ubuntu 16.04 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:

USN-7259-1 fixed a vulnerability in GNU C Library. This update provides the
corresponding update for Ubuntu 16.04 LTS.

Original advisory 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 16.04 LTS
   libc6                           2.23-0ubuntu11.3+esm8
                                   Available with Ubuntu Pro

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

References:
   https://ubuntu.com/security/notices/USN-7259-2
   https://ubuntu.com/security/notices/USN-7259-1
   CVE-2025-0395

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