An integer overflow could occur when OpenEXR processes a crafted file on systems where size_t < 64 bits. This could cause an invalid bytesPerLine and maxBytesPerLine value, which could lead to problems with application stability or lead to other attack paths.
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