| Name | CVE-2021-20303 |
| Description | A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds write on the heap. The greatest impact of this flaw is to application availability, with some potential impact to data integrity as well. |
| 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, ELA-469-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| openexr (PTS) | jessie, jessie (lts) | 1.6.1-8+deb8u3 | fixed |
| stretch (security), stretch (lts), stretch | 2.2.0-11+deb9u4 | fixed | |
| buster (security), buster, buster (lts) | 2.2.1-4.1+deb10u2 | fixed | |
| 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 | jessie | 1.6.1-8+deb8u3 | ELA-469-1 | ||
| 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=25505
https://github.com/AcademySoftwareFoundation/openexr/pull/831