A tiff security update has been released for Debian GNU/Linux 10 and 11 to address multiple vulnerabilities.

DSA 5108-1: tiff security update

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Debian Security Advisory DSA-5108-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
March 24, 2022   https://www.debian.org/security/faq
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Package : tiff
CVE ID : CVE-2022-0561 CVE-2022-0562 CVE-2022-0865 CVE-2022-0891
CVE-2022-0907 CVE-2022-0908 CVE-2022-0909 CVE-2022-0924
CVE-2022-22844

Multiple vulnerabilities have been discovered in the libtiff library
and the included tools, which may result in denial of service if
malformed image files are processed.

For the oldstable distribution (buster), these problems have been fixed
in version 4.1.0+git191117-2~deb10u4.

For the stable distribution (bullseye), these problems have been fixed in
version 4.2.0-1+deb11u1.

We recommend that you upgrade your tiff packages.

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

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/