Bug 1276297 (CVE-2015-7942)

Summary:	CVE-2015-7942 libxml2: heap-based buffer overflow in xmlParseConditionalSections()
Product:	[Other] Security Response	Reporter:	Martin Prpič <mprpic>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	athmanem, carnil, c.david86, csutherl, dknox, drizt72, erik-fedora, fedora-mingw, hannsj_uhl, jclere, jdoyle, ktietz, lgao, mbabacek, mcermak, mturk, myarboro, ohudlick, rjones, sardella, 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 heap-based buffer overflow flaw was found in the way libxml2 parsed certain crafted XML input. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash causing a denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 02:44:51 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:	1276298, 1276299, 1276300, 1284794, 1286495, 1286496, 1286497, 1322869
Bug Blocks:	1274223, 1318206

Description Martin Prpič 2015-10-29 11:42:52 UTC

A heap-based buffer overflow flaw was found in the way libxml2 parsed certain crafted XML input. A remote attacker could provide a specially-crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash.

Upstream bug:

https://bugzilla.gnome.org/show_bug.cgi?id=756456

CVE assignment:

http://seclists.org/oss-sec/2015/q4/130

Comment 1 Martin Prpič 2015-10-29 11:45:58 UTC

Created libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1276298]

Comment 2 Martin Prpič 2015-10-29 11:46:06 UTC

Created mingw-libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1276299]
Affects: epel-7 [bug 1276300]

Comment 3 Adam Mariš 2015-11-13 15:27:05 UTC

Upstream patches:

https://git.gnome.org/browse/libxml2/commit/?id=bd0526e66a56e75a18da8c15c4750db8f801c52d
https://git.gnome.org/browse/libxml2/commit/?id=41ac9049a27f52e7a1f3b341f8714149fc88d450

Comment 9 errata-xmlrpc 2015-12-07 10:14:17 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 10 errata-xmlrpc 2015-12-07 12:00:18 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 14 errata-xmlrpc 2016-05-17 16:13:43 UTC

This issue has been addressed in the following products:



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

Comment 15 Red Hat Bugzilla 2023-09-14 03:12:09 UTC

The needinfo request[s] on this closed bug have been removed as they have been unresolved for 1000 days