==========================================================================
Ubuntu Security Notice USN-6764-1
May 07, 2024

libde265 vulnerability
==========================================================================

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

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

libde265 could be made to crash if it opened a specially crafted
file.

Software Description:
- libde265: Open H.265 video codec implementation

Details:

It was discovered that libde265 could be made to allocate memory that
exceeds the maximum supported size. If a user or automated system were
tricked into opening a specially crafted file, an attacker could possibly
use this issue to cause a denial of service.

Update instructions:

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

Ubuntu 23.10
   libde265-0                      1.0.12-2ubuntu0.2

Ubuntu 22.04 LTS
   libde265-0                      1.0.8-1ubuntu0.3+esm1
                                   Available with Ubuntu Pro

Ubuntu 20.04 LTS
   libde265-0                      1.0.4-1ubuntu0.4+esm1
                                   Available with Ubuntu Pro

Ubuntu 18.04 LTS
   libde265-0                      1.0.2-2ubuntu0.18.04.1~esm5
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   libde265-0                      1.0.2-2ubuntu0.16.04.1~esm5
                                   Available with Ubuntu Pro

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

References:
   https://ubuntu.com/security/notices/USN-6764-1
   CVE-2023-51792

Package Information:
   https://launchpad.net/ubuntu/+source/libde265/1.0.12-2ubuntu0.2