A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
https://security.gentoo.org/glsa/202107-27
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html