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.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2019783
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I2JSMJ7HLWFPYYV7IAQZD5ZUUUN7RWBN/
- https://security.gentoo.org/glsa/202210-31
- https://www.debian.org/security/2022/dsa-5299