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CVE-2023-6879
heap buffer overflow in libaom
Critical9.0EPSS 1.2%
- Published
- Updated
- Reserved
- Assigned by
Description
Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc().
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GoogleCNA (assigner) | 3.1 | Critical9.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.2% · top 32% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.0.
Weakness
Affected products
References (4)
- https://crbug.com/aomedia/3491 (opens in a new tab)x_transferred
- https://aomedia.googlesource.com/aom/+/refs/tags/v3.7.1 (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/D6C2HN4T2S6GYNTAUXLH45LQZHK7QPHP/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/AYONA2XSNFMXLAW4IHLFI5UVV3QRNG5K/ (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2023-6879)Record last updated .