Debian: DSA-5400-1 High: ImageMagick Buffer Overflow Vulnerability

Multiple security issues were discovered in pngcheck, a tool to verify
the integrity of PNG, JNG and MNG files, which could potentially result
in the execution of arbitrary code.

For the stable distribution (bullseye), this problem has been fixed in
version 3.0.3-1~deb11u1.

We recommend that you upgrade your pngcheck packages.

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

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/