What’s Vulnerable › Vulnerabilities
CVE-2023-6879: heap buffer overflow in libaom
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.2% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2023-12-27 · updated 2026-06-23
- Weakness: CWE-20
Description
Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc().
Affected products
- Aomedia: before 3.7.1 — fixed in 3.7.1
- Fedoraproject Fedora: 38, 39
How to fix
Upgrade to a fixed version: Aomedia 3.7.1. Check the vendor advisory for mitigations.
References
- https://aomedia.googlesource.com/aom/+/refs/tags/v3.7.1
- https://crbug.com/aomedia/3491
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AYONA2XSNFMXLAW4IHLFI5UVV3QRNG5K/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D6C2HN4T2S6GYNTAUXLH45LQZHK7QPHP/
- https://aomedia.googlesource.com/aom/+/refs/tags/v3.7.1
- https://crbug.com/aomedia/3491
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AYONA2XSNFMXLAW4IHLFI5UVV3QRNG5K/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D6C2HN4T2S6GYNTAUXLH45LQZHK7QPHP/
Get alerted when CVE-2023-6879 or the next vulnerability affects your stack