A xz-utils security update has been released for Debian GNU/Linux 10 and 11 to address incorrect handling of filenames by xzgrep in xz-utils that can result in overwrite of arbitrary files or execution of arbitrary code if a file with a specially crafted filename is processed.

DSA 5123-1: xz-utils security update

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Debian Security Advisory DSA-5123-1 security@debian.org
  https://www.debian.org/security/ Salvatore Bonaccorso
April 18, 2022   https://www.debian.org/security/faq
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Package : xz-utils
CVE ID : CVE-2022-1271
Debian Bug : 1009167

cleemy desu wayo reported that incorrect handling of filenames by xzgrep
in xz-utils, the XZ-format compression utilities, can result in
overwrite of arbitrary files or execution of arbitrary code if a file
with a specially crafted filename is processed.

For the oldstable distribution (buster), this problem has been fixed
in version 5.2.4-1+deb10u1.

For the stable distribution (bullseye), this problem has been fixed in
version 5.2.5-2.1~deb11u1.

We recommend that you upgrade your xz-utils packages.

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

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