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[SECURITY] [DLA 3032-1] pngcheck security update

Debian LTS Advisory DLA-3032-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Markus Koschany
May 29, 2022                                  https://wiki.debian.org/LTS

Package        : pngcheck
Version        : 2.3.0-7+deb9u1
CVE ID         : CVE-2020-27818
Debian Bug     : 976350

A flaw was found in the check_chunk_name() function of pngcheck, a tool to 
verify the integrity of PNG, JNG and MNG files. This flaw allows an attacker
who can pass a malicious file to be processed by pngcheck to cause a temporary
denial of service.

For Debian 9 stretch, this problem has been fixed in version

We recommend that you upgrade your pngcheck packages.

For the detailed security status of pngcheck 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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