Bug 1644444 (CVE-2018-18662)

Summary:	CVE-2018-18662 mupdf: out-of-bounds read in fz_run_t3_glyph in fitz/font.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
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:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:41:15 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:	1644445
Bug Blocks:

Description Laura Pardo 2018-10-30 20:41:58 UTC

There is an out-of-bounds read in fz_run_t3_glyph in fitz/font.c in Artifex MuPDF 1.14.0, as demonstrated by mutool. 


References:
https://bugs.ghostscript.com/show_bug.cgi?id=700043 
https://github.com/TeamSeri0us/pocs/tree/master/mupdf

Comment 1 Laura Pardo 2018-10-30 20:42:19 UTC

Created mupdf tracking bugs for this issue:

Affects: fedora-all [bug 1644445]

Comment 2 Michael J Gruber 2019-05-13 12:38:21 UTC

Souldn't this be closed since the bug this depends on has been closed?

Comment 3 Product Security DevOps Team 2019-06-10 10:41:15 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.