USN-6408-1: libXpm vulnerabilities

Releases

• Ubuntu 23.04
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS

Packages

• libxpm - X11 pixmap library

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)

Update instructions

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

Ubuntu 23.04

• libxpm4 - 1:3.5.12-1.1ubuntu0.1

Ubuntu 22.04

• libxpm4 - 1:3.5.12-1ubuntu0.22.04.2

Ubuntu 20.04

• libxpm4 - 1:3.5.12-1ubuntu0.20.04.2

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

References

• CVE-2023-43786
• CVE-2023-43789
• CVE-2023-43788
• CVE-2023-43787

Related notices

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