Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package thunderbird:flatpak/thunderbird (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL8-THUNDERBIRD-6140346
- published28 Dec 2023
- disclosed28 Dec 2023
Introduced: 28 Dec 2023
CVE-2023-6879 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream thunderbird:flatpak/thunderbird package and not the thunderbird:flatpak/thunderbird package as distributed by RHEL.
Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc().
References
- https://access.redhat.com/security/cve/CVE-2023-6879
- 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/