Bug 1338703 (CVE-2016-1839)

Summary: CVE-2016-1839 libxml2: Heap-based buffer overread in xmlDictAddString
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: apmukher, athmanem, c.david86, csutherl, dknox, erik-fedora, fedora-mingw, jclere, ktietz, lgao, mbabacek, mprpic, myarboro, ohudlick, rjones, sardella, slawomir, twalsh, veillard, weli
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: 2019-06-08 02:52:28 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: 1340367, 1340369, 1340370, 1340371, 1349794, 1349795    
Bug Blocks: 1301932, 1304644, 1332827, 1340339, 1395463    

Description Andrej Nemec 2016-05-23 09:53:13 UTC 
A vulnerability was found in the libxml2 library. A heap-based buffer overread could happen in xmlDictAddString.

References:

https://bugzilla.gnome.org/show_bug.cgi?id=758605

Upstream fix:

https://git.gnome.org/browse/libxml2/commit/?id=a820dbeac29d330bae4be05d9ecd939ad6b4aa33
Comment 1 Cedric Buissart 2016-05-25 10:18:50 UTC 
*** Bug 1304636 has been marked as a duplicate of this bug. ***
Comment 2 Cedric Buissart 2016-05-25 10:49:58 UTC 
*** Bug 1301928 has been marked as a duplicate of this bug. ***
Comment 5 errata-xmlrpc 2016-06-23 10:33:46 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2016:1292 https://access.redhat.com/errata/RHSA-2016:1292
Comment 6 Huzaifa S. Sidhpurwala 2016-06-24 09:42:52 UTC 
Created libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1349794]
Comment 7 Huzaifa S. Sidhpurwala 2016-06-24 09:43:02 UTC 
Created mingw-libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1349795]
Comment 8 errata-xmlrpc 2016-12-15 22:19:37 UTC 
This issue has been addressed in the following products:



Via RHSA-2016:2957 https://rhn.redhat.com/errata/RHSA-2016-2957.html