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[SECURITY] [DLA 2911-1] apng2gif security update

Debian LTS Advisory DLA-2911-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Markus Koschany
February 04, 2022                             https://wiki.debian.org/LTS

Package        : apng2gif
Version        : 1.8-0.1~deb9u1
CVE ID         : CVE-2017-6960 CVE-2017-6961 CVE-2017-6962
Debian Bug     : 854447

Several vulnerabilities have been discovered in apng2gif, a tool for converting
APNG images to animated GIF format. Improper sanitization of user input can
result in denial of service (application crash) or possible execution of
arbitrary code if a malformed image file is processed.

For Debian 9 stretch, these problems have been fixed in version

We recommend that you upgrade your apng2gif packages.

For the detailed security status of apng2gif please refer to
its security tracker page at:

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

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