Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openexr | Openexr | >= 3.1.0, < 3.1.4 |
| Fedoraproject | Fedora | 34 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41416ExploitIssue TrackingMailing List
- https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.4/CHANGES.md#versRelease NotesThird Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/commit/11cad77da87c4fa2aab7PatchThird Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/commit/db217f29dfb24f6b4b51PatchThird Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/pull/1209ExploitPatchThird Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.1.4Release NotesThird Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openexr/OSV-2021-1627.yThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202210-31Third Party Advisory
- https://www.debian.org/security/2022/dsa-5299Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41416ExploitIssue TrackingMailing List
- https://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.4/CHANGES.md#versRelease NotesThird Party Advisory
FAQ
What is CVE-2021-45942?
CVE-2021-45942 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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::addGlobalT...
How severe is CVE-2021-45942?
CVE-2021-45942 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-45942?
Check the references section above for vendor advisories and patch information. Affected products include: Openexr Openexr, Fedoraproject Fedora, Debian Debian Linux.