CVE-2021-3477

NameCVE-2021-3477
DescriptionThere's a flaw in OpenEXR's deep tile sample size calculations in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, subsequently leading to an out-of-bounds read. The greatest risk of this flaw is to 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=26956
https://bugzilla.redhat.com/show_bug.cgi?id=1939159
https://github.com/AcademySoftwareFoundation/openexr/commit/467be80b75642efbbe6bdace558079f68c16acb1
Introduced by https://github.com/AcademySoftwareFoundation/openexr/commit/9f011ae9ce9b1ca03521ff76e7659d34ee830344 (v2.0.0)

Search for package or bug name: Reporting problems