Bug 1771266 (CVE-2019-18804)

Summary:	CVE-2019-18804 djvulibre: null pointer dereference in function DJVU::filter_fv in IW44EncodeCodec.cpp
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	manisandro, mkasik
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:	2019-11-12 06:51:14 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:	1771267, 1771268
Bug Blocks:

Description Dhananjay Arunesh 2019-11-12 05:11:41 UTC

A vulnerability was found in DjVuLibre 3.5.27 has a NULL pointer dereference in the function DJVU::filter_fv at IW44EncodeCodec.cpp.

Reference:
https://github.com/TeamSeri0us/pocs/blob/master/djvulibre/DJVU__filter_fv%40IW44EncodeCodec.cpp_499-43___SEGV_UNKNOW.md
https://lists.debian.org/debian-lts-announce/2019/11/msg00004.html
https://sourceforge.net/p/djvu/bugs/309/

Comment 1 Dhananjay Arunesh 2019-11-12 05:12:52 UTC

Created djvulibre tracking bugs for this issue:

Affects: fedora-all [bug 1771267]


Created mingw-djvulibre tracking bugs for this issue:

Affects: fedora-all [bug 1771268]

Comment 2 Product Security DevOps Team 2019-11-12 06:51:14 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.