PIL.ImageMath.eval in Pillow before 9.0.0 allows evaluation of arbitrary expressions, such as ones that use the Python exec method. A lambda expression could also be used.
lists.debian.org/debian-lts-announce/2022/01/msg00018.html
lists.debian.org/debian-lts-announce/2024/03/msg00021.html
pillow.readthedocs.io/en/stable/releasenotes/9.0.0.html#restrict-builtins-available-to-imagemath-eval
pillow.readthedocs.io/en/stable/releasenotes/9.0.1.html#security
security.gentoo.org/glsa/202211-10
www.debian.org/security/2022/dsa-5053