ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-50 and 7.1.2-25, when passing incorrect arguments in the distort operation a null pointer deference will occur. This issue has been patched in versions 6.9.13-50 and 7.1.2-25.
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-p9rq-q46c-g4x6