CVE-2020-11761

NameCVE-2020-11761
DescriptionAn issue was discovered in OpenEXR before 2.4.1. There is an out-of-bounds read during Huffman uncompression, as demonstrated by FastHufDecoder::refill in ImfFastHuf.cpp.
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)
ReferencesDLA-2358-1, DSA-4755-1
NVD severitymedium
Debian Bugs959444

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openexr (PTS)stretch2.2.0-11vulnerable
stretch (security)2.2.0-11+deb9u3fixed
buster, buster (security)2.2.1-4.1+deb10u1fixed
bullseye, sid2.5.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openexrsourceexperimental2.5.0-1
openexrsourcestretch2.2.0-11+deb9u1DLA-2358-1
openexrsourcebuster2.2.1-4.1+deb10u1DSA-4755-1
openexrsource(unstable)2.5.3-2959444

Notes

[jessie] - openexr <no-dsa> (Minor issue)
https://bugs.chromium.org/p/project-zero/issues/detail?id=1987
https://github.com/AcademySoftwareFoundation/openexr/commit/b1c34c496b62117115b1089b18a44e0031800a09
https://github.com/AcademySoftwareFoundation/openexr/commit/801272c9bf8b84a66c62f1e8a4490ece81da6a56
https://github.com/AcademySoftwareFoundation/openexr/commit/43cd3ad47d53356da6ae2e983e47c8313aebf72e
https://github.com/AcademySoftwareFoundation/openexr/commit/ea3349896d4a8a3b523e8f3b830334a85240b1e6

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