USN-5807-3: libXpm vulnerability

USN-5807-3: libXpm vulnerability

USN-5807-1 fixed a vulnerability in libXpm. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Marco Ivaldi discovered that libXpm incorrectly handled certain XPM files.
If a user or automated system were tricked into opening a specially crafted
XPM file, a remote attacker could possibly use this issue to cause libXpm
to stop responding, resulting in a denial of service. (CVE-2022-46285)
Source: USN-5807-3: libXpm vulnerability