CVE-2020-11762

NameCVE-2020-11762
DescriptionAn issue was discovered in OpenEXR before 2.4.1. There is an out-of-bounds read and write in DwaCompressor::uncompress in ImfDwaCompressor.cpp when handling the UNKNOWN compression case.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2358-1, DSA-4755-1
Debian Bugs959444

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openexr (PTS)buster2.2.1-4.1+deb10u1fixed
buster (security)2.2.1-4.1+deb10u2fixed
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
openexrsourceexperimental2.5.0-1
openexrsourcejessie(not affected)
openexrsourcestretch2.2.0-11+deb9u1DLA-2358-1
openexrsourcebuster2.2.1-4.1+deb10u1DSA-4755-1
openexrsource(unstable)2.5.3-2959444

Notes

[jessie] - openexr <not-affected> (Vulnerable code not present)
https://bugs.chromium.org/p/project-zero/issues/detail?id=1987
https://github.com/AcademySoftwareFoundation/openexr/commit/3eda5d70aba127bae9bd6bae9956fcf024b64031
https://github.com/AcademySoftwareFoundation/openexr/commit/2ae5f8376b0a6c3e2bb100042f5de79503ba837a
Introduced by https://github.com/AcademySoftwareFoundation/openexr/commit/7f0c9e256f34cac5a31e9d9cce00ccc898f49f3b (v2.2.0)

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