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: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: 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.