Bug 2256053 (CVE-2023-6879)

Summary:	CVE-2023-6879 aom: heap-buffer-overflow on frame size change
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	abobrov, jhorak, tpopela
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	libaom 3.7.1	Doc Type:	If docs needed, set a value
Doc Text:	A heap-based buffer overflow vulnerability was found in AOM. When increasing the resolution of video frames during a multi-threaded encode, a heap overflow may occur in av1_loop_restoration_dealloc() within thread_common.c, leading to a denial of service or unauthorized reading of memory.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2256054, 2256055, 2256056, 2256057
Bug Blocks:	2256061

Description TEJ RATHI 2023-12-28 05:19:01 UTC

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

https://aomedia.googlesource.com/aom/+/refs/tags/v3.7.1
https://crbug.com/aomedia/3491

Comment 1 TEJ RATHI 2023-12-28 05:23:03 UTC

Created aom tracking bugs for this issue:

Affects: epel-all [bug 2256054]
Affects: fedora-all [bug 2256055]


Created chromium tracking bugs for this issue:

Affects: epel-all [bug 2256056]
Affects: fedora-all [bug 2256057]