CVE-2021-3474

NameCVE-2021-3474
DescriptionThere's a flaw in OpenEXR in versions before 3.0.0-beta. A crafted input file that is processed by OpenEXR could cause a shift overflow in the FastHufDecoder, potentially leading to problems with application availability.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2701-1, DLA-3236-1
Debian Bugs986796

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openexr (PTS)buster2.2.1-4.1+deb10u1vulnerable
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
openexrsourcestretch2.2.0-11+deb9u3DLA-2701-1
openexrsourcebuster2.2.1-4.1+deb10u2DLA-3236-1
openexrsource(unstable)2.5.4-1986796

Notes

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24831
https://github.com/AcademySoftwareFoundation/openexr/commit/c3ed4a1db1f39bf4524a644cb2af81dc8cfab33f
Introduced by https://github.com/AcademySoftwareFoundation/openexr/commit/7f0c9e256f34cac5a31e9d9cce00ccc898f49f3b (v2.2.0)

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