Bug 1281879 (CVE-2015-7498)

Summary:	CVE-2015-7498 libxml2: Heap-based buffer overflow in xmlParseXmlDecl
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	csutherl, dknox, jclere, jdoyle, jrusnack, lgao, mbabacek, mcermak, mturk, myarboro, ohudlick, sardella, security-response-team, slawomir, twalsh, veillard, weli
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	A denial of service flaw was found in libxml2. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause that application to crash.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 02:45:16 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:	1284794, 1286495, 1286496, 1286497, 1322880
Bug Blocks:	1274223, 1281960, 1318206

Description Adam Mariš 2015-11-13 17:04:21 UTC

Heap-based buffer overflow was found in xmlParseXmlDecl. When conversion failure happens, parser continues to extract more errors which may lead to unexpected behaviour.

Upstream bug:

https://bugzilla.gnome.org/show_bug.cgi?id=756527

Upstream patch:

https://git.gnome.org/browse/libxml2/commit/?id=afd27c21f6b36e22682b7da20d726bce2dcb2f43

Comment 2 Adam Mariš 2015-11-16 14:04:23 UTC

Acknowledgments:

Name: the GNOME project
Upstream: Kostya Serebryany

Comment 6 Huzaifa S. Sidhpurwala 2015-12-01 09:55:31 UTC

Upstream commit:

https://git.gnome.org/browse/libxml2/commit/?id=afd27c21f6b36e22682b7da20d726bce2dcb2f43

Comment 7 errata-xmlrpc 2015-12-07 10:14:36 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2015:2549 https://rhn.redhat.com/errata/RHSA-2015-2549.html

Comment 8 errata-xmlrpc 2015-12-07 12:00:38 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2015:2550 https://rhn.redhat.com/errata/RHSA-2015-2550.html

Comment 12 errata-xmlrpc 2016-05-17 16:14:20 UTC

This issue has been addressed in the following products:



Via RHSA-2016:1089 https://rhn.redhat.com/errata/RHSA-2016-1089.html