CVE-2023-6879: heap buffer overflow in libaom
First published: Wed Dec 27 2023(Updated: )
Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc().
Credit: cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| AOM | <3.7.1 | |
| Fedora | =38 | |
| Fedora | =39 |
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Reference Links
- 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/
Frequently Asked Questions
What is the severity of CVE-2023-6879?
CVE-2023-6879 has been classified as a high-severity vulnerability due to the potential for a heap overflow.
How do I fix CVE-2023-6879?
To fix CVE-2023-6879, update the AOMedia software to version 3.7.1 or later, or ensure you are using a patched version on Fedora systems.
What software is affected by CVE-2023-6879?
CVE-2023-6879 affects AOMedia versions below 3.7.1 and Fedora versions 38 and 39.
What are the consequences of exploiting CVE-2023-6879?
Exploitation of CVE-2023-6879 can lead to application crashes and potentially allow remote code execution.
What components in AOMedia are vulnerable due to CVE-2023-6879?
CVE-2023-6879 specifically impacts the av1_loop_restoration_dealloc() function during multi-threaded video frame encoding.
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