Bug 1943690 (CVE-2021-32493)

Summary:	CVE-2021-32493 djvulibre: Heap buffer overflow in function DJVU::GBitmap::decode() via crafted djvu file
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	45r06t38, 532h2i5a, caswilli, fcanogab, kaycoth, manisandro, mkasik, security-response-team, yebige5258, ytq21ojp
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in djvulibre-3.5.28 and earlier. A heap buffer overflow in function DJVU::GBitmap::decode() via crafted djvu file may lead to application crash and other consequences.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-11-04 14:58:12 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:	1943424, 1946446, 1958180, 1958181
Bug Blocks:	1943695, 1949947

Description Pedro Sampaio 2021-03-26 20:03:25 UTC

A flaw was found in latest djavulibre. A heap buffer overflow in function DJVU::GBitmap::decode() via crafted djvu file may lead to application crash and other consequences.

References:

https://bugzilla.redhat.com/show_bug.cgi?id=1943424

Comment 2 Michael Kaplan 2021-05-07 11:56:03 UTC

Created djvulibre tracking bugs for this issue:

Affects: epel-7 [bug 1958181]


Created mingw-djvulibre tracking bugs for this issue:

Affects: fedora-all [bug 1958180]

Comment 3 Michael Kaplan 2021-05-07 11:56:18 UTC

Created djvulibre tracking bugs for this issue:

Affects: fedora-all [bug 1943424]

Comment 5 Michael Kaplan 2021-05-10 17:10:26 UTC

Acknowledgments:

Name: 1vanChen (NSFOCUS Security Team)