An issue has been found in graphicsmagick, a collection of image processing tools. Due to missing checks, a crafted MIFF file could result in a heap buffer overflow when parsing it.
For Debian 10 buster, this problem has been fixed in version 1.4+really1.3.35-1~deb10u3.
We recommend that you upgrade your graphicsmagick packages.
For the detailed security status of graphicsmagick please refer to its security tracker page at: https://security-tracker.debian.org/tracker/graphicsmagick
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