A jhead security update has been released for Debian GNU/Linux 11 to address a denial of service issue.

DSA 5294-1: jhead security update

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Debian Security Advisory DSA-5294-1 security@debian.org
  https://www.debian.org/security/ Markus Koschany
December 04, 2022   https://www.debian.org/security/faq
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Package : jhead
CVE ID : CVE-2021-34055 CVE-2022-41751
Debian Bug : 1024272 1022028

Jhead, a tool for manipulating EXIF data embedded in JPEG images, allowed
attackers to execute arbitrary OS commands by placing them in a JPEG filename
and then using the regeneration -rgt50, -autorot or -ce option. In addition a
buffer overflow error in exif.c has been addressed which could lead to a denial
of service (application crash).

For the stable distribution (bullseye), these problems have been fixed in
version 1:3.04-6+deb11u1.

We recommend that you upgrade your jhead packages.

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

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/