Bug 1886338 (CVE-2020-26519)

Summary:	CVE-2020-26519 mupdf: heap based buffer over-write when parsing JBIG2 files allows DoS
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	mjg
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	mupdf 1.18.0	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-10-08 14:21:18 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:	1886339
Bug Blocks:

Description Marian Rehak 2020-10-08 08:44:42 UTC

Artifex MuPDF before 1.18.0 has a heap based buffer over-write when parsing JBIG2 files allowing attackers to cause a denial of service.

Reference:

https://bugs.ghostscript.com/show_bug.cgi?id=702937

Comment 1 Marian Rehak 2020-10-08 08:45:30 UTC

Created mupdf tracking bugs for this issue:

Affects: fedora-all [bug 1886339]

Comment 2 Product Security DevOps Team 2020-10-08 14:21:18 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.

Comment 3 Fedora Update System 2020-10-09 16:41:11 UTC

FEDORA-2020-636624ecb6 has been pushed to the Fedora 34 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 4 Fedora Update System 2020-10-23 22:09:02 UTC

FEDORA-2020-972ad7c8a8 has been pushed to the Fedora 33 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 5 Fedora Update System 2020-10-25 01:19:15 UTC

FEDORA-2020-3cea1ac8f3 has been pushed to the Fedora 32 stable repository.
If problem still persists, please make note of it in this bug report.