Bug 1980249 (CVE-2021-36083)

Summary:	CVE-2021-36083 kf5-kimageformats: stack-based buffer overflow in XCFImageFormat::loadTileRLE
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	jgrulich, kde-sig, me, rdieter, than
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-10-28 05:30:22 UTC	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:	1980250, 1980251
Bug Blocks:

Description Marian Rehak 2021-07-08 08:08:00 UTC

KDE KImageFormats 5.70.0 through 5.81.0 has a stack-based buffer overflow in XCFImageFormat::loadTileRLE.

References:

https://invent.kde.org/frameworks/kimageformats/commit/297ed9a2fe339bfe36916b9fce628c3242e5be0f
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/kimageformats/OSV-2021-695.yaml
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33742

Comment 1 Marian Rehak 2021-07-08 08:08:27 UTC

Created kf5-kimageformats tracking bugs for this issue:

Affects: epel-all [bug 1980251]
Affects: fedora-33 [bug 1980250]