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Debian LTS Advisory DLA-3603-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/               Emilio Pozuelo Monfort
October 05, 2023                              https://wiki.debian.org/LTS
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Package        : libxpm
Version        : 1:3.5.12-1+deb10u2
CVE ID         : CVE-2023-43786 CVE-2023-43787 CVE-2023-43788 CVE-2023-43789

Several vulnerabilities were found in libXpm, the X Pixmap (XPM) image
library.

CVE-2023-43786

    Yair Mizrahi discovered an infinite recursion issue when parsing
    crafted XPM files, which would result in denial of service.

CVE-2023-43787

    Yair Mizrahi discovered a buffer overflow vulnerability in libX11
    when parsing crafted XPM files, which could result in denial of
    service or potentially the execution of arbitrary code.

CVE-2023-43788

    Alan Coopersmith found an out of bounds read in
    XpmCreateXpmImageFromBuffer, which could result in denial of
    service when parsing crafted XPM files.

CVE-2023-43789

    Alan Coopersmith discovered an out of bounds read issue when
    parsing corrupted colormaps, which could lead to denial of
    service when parsing crafted XPM files.

For Debian 10 buster, these problems have been fixed in version
1:3.5.12-1+deb10u2.

We recommend that you upgrade your libxpm packages.

For the detailed security status of libxpm please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/libxpm

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS