Vulnerability · Published Dec 31, 2021 · Assigned by mitre
CVE-2021-45942
Medium 5.5
In plain English
A medium-severity security flaw in the openexr package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.8%top 21.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | openexr | 3.1.4-r0 | ALPINE-CVE-2021-45942 |
| Alpine:v3.21 | openexr | 3.1.4-r0 | ALPINE-CVE-2021-45942 |
| Alpine:v3.22 | openexr | 3.1.4-r0 | ALPINE-CVE-2021-45942 |
| Alpine:v3.23 | openexr | 3.1.4-r0 | ALPINE-CVE-2021-45942 |
| Alpine:v3.24 | openexr | 3.1.4-r0 | ALPINE-CVE-2021-45942 |
| Debian:12 | openexr | 3.1.5-2 | DEBIAN-CVE-2021-45942 |
| Debian:13 | openexr | 3.1.5-2 | DEBIAN-CVE-2021-45942 |
| Debian:14 | openexr | 3.1.5-2 | DEBIAN-CVE-2021-45942 |
| Ubuntu:25.10 | openexr | no fix listed | UBUNTU-CVE-2021-45942 |
| Ubuntu:26.10 | openexr | no fix listed | UBUNTU-CVE-2021-45942 |
Affected products (as reported)
References
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openexr/OSV-2021-1627.yaml
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41416
- https://github.com/AcademySoftwareFoundation/openexr/commit/db217f29dfb24f6b4b5100c24ac5e7490e1c57d0
- https://github.com/AcademySoftwareFoundation/openexr/pull/1209
- https://github.com/AcademySoftwareFoundation/openexr/commit/11cad77da87c4fa2aab7d58dd5339e254db7937e
- https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.1.4
- https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.4/CHANGES.md#version-314-january-26-2022
- FEDORA-2022-89c31c0a0c vendor-advisory
- FEDORA-2022-b0a85ed1b3 vendor-advisory
- FEDORA-2022-f2e0d16c90 vendor-advisory
- GLSA-202210-31 vendor-advisory
- DSA-5299 vendor-advisory
- [debian-lts-announce] 20221211 [SECURITY] [DLA 3236-1] openexr security update mailing-list