Bug 1436292 (CVE-2017-7264)

Summary:	CVE-2017-7264 mupdf: use-after-free in fz_subsample_pixmap (pixmap.c)
Product:	[Other] Security Response	Reporter:	Martin Prpič <mprpic>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	pavel
Target Milestone:	---	Keywords:	Security
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Hardware:	All
OS:	Linux
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Last Closed:	2017-03-27 15:20:37 UTC	Type:	---
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Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1436293
Bug Blocks:

Description Martin Prpič 2017-03-27 15:04:43 UTC

A use-after-free vulnerability was found in MuPDF, triggered by a crafted PDF file.

Upstream patch:

http://git.ghostscript.com/?p=mupdf.git;h=2c4e5867ee699b1081527bc6c6ea0e99a35a5c27

References:

https://blogs.gentoo.org/ago/2017/02/09/mupdf-use-after-free-in-fz_subsample_pixmap-pixmap-c/

Comment 1 Martin Prpič 2017-03-27 15:05:11 UTC

Created mupdf tracking bugs for this issue:

Affects: fedora-all [bug 1436293]

Comment 2 Pavel Zhukov 2017-03-27 15:20:37 UTC

http://pkgs.fedoraproject.org/cgit/rpms/mupdf.git/tree/mupdf-bug-697515-Fix-out-of-bounds-read-in-fz_subsample_pi.patch