Critical severity · published Dec 27, 2023
CVE-2023-6879
heap buffer overflow in libaom
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc().
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
libaom · libaom
before 3.7.1 · source: vendor
AO
Aomedia · Aomedia
before 3.7.1 · source: NVD
FE
Fedora · Fedoraproject
38; 39 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6879
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6879
Patch
https://aomedia.googlesource.com/aom/+/refs/tags/v3.7.1
Exploit
https://crbug.com/aomedia/3491
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AYONA2XSNFMXLAW4IHLFI5UVV3QRNG5K/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D6C2HN4T2S6GYNTAUXLH45LQZHK7QPHP/
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