A vulnerability was found in ImageMagick, causing an outside the range of representable values of type 'unsigned char' at coders/psd.c, when crafted or untrusted input is processed. This leads to a negative impact to application availability or other problems related to undefined behavior.
https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html
https://github.com/ImageMagick/ImageMagick6/commit/450949ed017f009b399c937cf362f0058eacc5fa
https://github.com/ImageMagick/ImageMagick/commit/9c9a84cec4ab28ee0b57c2b9266d6fbe68183512