There's a flaw in OpenEXR's rleUncompress functionality in versions prior to 3.0.5. An attacker who is able to submit a crafted file to an application linked with OpenEXR could cause an out-of-bounds read. The greatest risk from this flaw is to application availability.
https://www.debian.org/security/2022/dsa-5299
https://security.gentoo.org/glsa/202210-31
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html