CVE-2021-20304

NameCVE-2021-20304
DescriptionA flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openexr (PTS)bullseye (security), bullseye2.5.4-2+deb11u1fixed
bookworm3.1.5-5fixed
sid, trixie3.1.5-5.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openexrsource(unstable)2.5.4-1unimportant

Notes

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229
https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734e74564c807043cbfe41e
https://github.com/AcademySoftwareFoundation/openexr/pull/849
Negligible security impact

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