USN-5807-2: libXpm vulnerabilities

21 February 2023

Several security issues were fixed in libXpm.

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Releases

Packages

Details

USN-5807-1 fixed vulnerabilities in libXpm. This update provides the
corresponding updates for Ubuntu 16.04 ESM.

Original advisory details:

Martin Ettl 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-2022-44617)

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)

Alan Coopersmith discovered that libXpm incorrectly handled calling
external helper binaries. If libXpm was being used by a setuid binary, a
local attacker could possibly use this issue to escalate privileges.
(CVE-2022-4883)

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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.

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Update instructions

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

Ubuntu 16.04

After a standard system update you need to restart your session to make all
the necessary changes.

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