| Name | CVE-2021-20300 |
| Description | A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow. The highest threat from this vulnerability is to system availability. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2732-1, DLA-3236-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| openexr (PTS) | bullseye (security), bullseye | 2.5.4-2+deb11u1 | fixed |
| bookworm | 3.1.5-5 | fixed | |
| sid, trixie | 3.1.5-5.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| openexr | source | stretch | 2.2.0-11+deb9u4 | DLA-2732-1 | ||
| openexr | source | buster | 2.2.1-4.1+deb10u2 | DLA-3236-1 | ||
| openexr | source | (unstable) | 2.5.4-1 |
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25562
https://github.com/AcademySoftwareFoundation/openexr/commit/ed560b8a932c78d5e8e5990ce36fe7808b35d9f0 (master)
https://github.com/AcademySoftwareFoundation/openexr/commit/4212416433a230334cef0ac122cb8d722746035d (2.5.x)