CVE-2021-3933

NameCVE-2021-3933
DescriptionAn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openexr (PTS)stretch2.2.0-11fixed
stretch (security)2.2.0-11+deb9u4fixed
buster, buster (security)2.2.1-4.1+deb10u1vulnerable
bullseye2.5.4-2vulnerable
bookworm, sid2.5.7-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openexrsourceexperimental3.1.3-1
openexrsourcestretch(not affected)
openexrsource(unstable)(unfixed)

Notes

[stretch] - openexr <not-affected> (Vulnerable code not present)
https://bugzilla.redhat.com/show_bug.cgi?id=2019783
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38912
Fixed by: https://github.com/AcademySoftwareFoundation/openexr/commit/5a0adf1aba7d41c6b94ba167c0c4308d2eecfd17

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