Bug 1789948 (CVE-2019-19953)

Summary:	CVE-2019-19953 GraphicsMagick: heap-based buffer overflow in EncodeImage in coders/pict.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	andreas, fedora, mike, pahan, rdieter
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:	2020-01-10 20:09:25 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:	1789951, 1789950
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2020-01-10 19:43:17 UTC

In GraphicsMagick 1.4 snapshot-20191208 Q8, there is a heap-based buffer over-read in the function EncodeImage of coders/pict.c.

Reference:
https://sourceforge.net/p/graphicsmagick/bugs/617/

Upstream commit:
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/28f8bacd4bbf

Comment 1 Guilherme de Almeida Suckevicz 2020-01-10 19:50:55 UTC

Created GraphicsMagick tracking bugs for this issue:

Affects: epel-all [bug 1789951]
Affects: fedora-all [bug 1789950]

Comment 2 Product Security DevOps Team 2020-01-10 20:09:25 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.