Bug 1281862 (CVE-2015-7497)

Summary: CVE-2015-7497 libxml2: Heap-based buffer overflow in xmlDictComputeFastQKey
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: 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 02:45:14 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, 1322879    
Bug Blocks: 1274223, 1281960, 1318206    
Attachments:
Description Flags
Proposed patch none

Description Adam Mariš 2015-11-13 16:05:07 UTC 
A heap-based buffer overflow vulnerability was found in xmlDictComputeFastQKey in dict.c.

Upstream bug:

https://bugzilla.gnome.org/show_bug.cgi?id=756528
Comment 1 Adam Mariš 2015-11-13 16:05:54 UTC 
Created attachment 1093719 [details]
Proposed patch
Comment 3 Adam Mariš 2015-11-16 14:04:13 UTC 
Acknowledgments:

Name: the GNOME project
Upstream: Kostya Serebryany
Comment 7 Huzaifa S. Sidhpurwala 2015-12-01 09:53:32 UTC 
Upstream commit:

https://git.gnome.org/browse/libxml2/commit/?id=6360a31a84efe69d155ed96306b9a931a40beab9
Comment 8 errata-xmlrpc 2015-12-07 10:14:30 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 9 errata-xmlrpc 2015-12-07 12:00:33 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 13 errata-xmlrpc 2016-05-17 16:14:10 UTC 
This issue has been addressed in the following products:



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