There's a flaw in OpenEXR's ImfDeepScanLineInputFile 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://bugzilla.redhat.com/show_bug.cgi?id=1970987
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html