CVE-2023-6879

9.0 CRITICAL

Published: December 27, 2023 Modified: June 23, 2026

Description

Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc().

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://aomedia.googlesource.com/aom/+/refs/tags/v3.7.1

Source: cve-coordination@google.com

Patch

https://crbug.com/aomedia/3491

Source: cve-coordination@google.com

Exploit Issue Tracking Mailing List Patch Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AYONA2XSNFMXLAW4IHLFI5UVV3QRNG5K/

Source: cve-coordination@google.com

Mailing List Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D6C2HN4T2S6GYNTAUXLH45LQZHK7QPHP/

Source: cve-coordination@google.com

Mailing List Third Party Advisory

https://aomedia.googlesource.com/aom/+/refs/tags/v3.7.1

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://crbug.com/aomedia/3491

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Issue Tracking Mailing List Patch Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AYONA2XSNFMXLAW4IHLFI5UVV3QRNG5K/

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D6C2HN4T2S6GYNTAUXLH45LQZHK7QPHP/

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.0 / 10.0

EPSS (Exploit Probability)

1.2%

63th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-20 CWE-787

Affected Vendors

fedoraproject aomedia

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