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USN-6408-2: libXpm vulnerabilities

23 October 2023

Several security issues were fixed in libXpm.

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Packages

Details

USN-6408-1 fixed several vulnerabilities in libXpm. This update provides
the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

Yair Mizrahi discovered that libXpm incorrectly handled certain malformed
XPM image files. If a user were tricked into opening a specially crafted
XPM image file, a remote attacker could possibly use this issue to consume
memory, leading to a denial of service. (CVE-2023-43786)

Yair Mizrahi discovered that libXpm incorrectly handled certain malformed
XPM image files. If a user were tricked into opening a specially crafted
XPM image file, a remote attacker could use this issue to cause libXpm to
crash, leading to a denial of service, or possibly execute arbitrary code.
(CVE-2023-43787)

Alan Coopersmith discovered that libXpm incorrectly handled certain
malformed XPM image files. If a user were tricked into opening a specially
crafted XPM image file, a remote attacker could possibly use this issue to
cause libXpm to crash, leading to a denial of service. (CVE-2023-43788,
CVE-2023-43789)

Reduce your security exposure

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

After a standard system update you need to reboot your computer to make all
the necessary changes.

Related notices

  • USN-6408-1: libxpm, libxpm4, libxpm-dev, xpmutils
  • USN-6407-1: libx11-xcb1, libx11-doc, libx11-data, libx11-6, libx11-xcb-dev, libx11-dev, libx11
  • USN-6407-2: libx11-xcb1, libx11-doc, libx11-data, libx11-6, libx11-xcb-dev, libx11-dev, libx11