Bug 1396540 (CVE-2016-9063)

Summary:	CVE-2016-9063 firefox: Possible integer overflow to fix inside XML_Parse in Expat
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	besser82, bmaxwell, bmcclain, cdewolf, cfergeau, chazlett, cschalle, csutherl, darran.lofthouse, dblechte, dimitris, dosoudil, eedri, erik-fedora, fgavrilo, gecko-bugs-nobody, gzaronik, jawilson, jclere, jhorak, jondruse, jorton, jshepherd, lgao, lsurette, lupinix.fedora, mbabacek, mgoldboi, michal.skrivanek, myarboro, pgier, pjurak, ppalaga, psakar, pslavice, rh-spice-bugs, rjones, rnetuka, rstancel, rsvoboda, srevivo, stransky, twalsh, vtunka, weli, ykaul
Target Milestone:	---	Keywords:	Reopened, Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	firefox 50	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 03:02:20 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:	1462755, 1462756, 1462757, 1462758, 1478230
Bug Blocks:	1392803, 1462763

Description Adam Mariš 2016-11-18 15:24:54 UTC

An integer overflow during the parsing of XML using the Expat library.

External References:

https://www.mozilla.org/en-US/security/advisories/mfsa2016-89/#CVE-2016-9063

Comment 1 Adam Mariš 2016-11-18 15:25:06 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Gustavo Grieco

Comment 2 Huzaifa S. Sidhpurwala 2016-11-24 05:23:49 UTC

Statement:

This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.

Comment 3 Adam Mariš 2017-06-19 13:09:51 UTC

Upstream patch:

https://github.com/libexpat/libexpat/commit/d4f735b88d9932bd5039df2335eefdd0723dbe20

Comment 4 Adam Mariš 2017-06-19 13:10:36 UTC

Created compat-expat1 tracking bugs for this issue:

Affects: fedora-all [bug 1462758]


Created expat tracking bugs for this issue:

Affects: fedora-all [bug 1462756]


Created expat21 tracking bugs for this issue:

Affects: epel-all [bug 1462755]


Created mingw-expat tracking bugs for this issue:

Affects: epel-7 [bug 1462757]

Comment 5 Huzaifa S. Sidhpurwala 2017-07-03 07:44:40 UTC

Expat upstream fixed this issue via the following commit:

https://github.com/libexpat/libexpat/commit/d4f735b88d9932bd5039df2335eefdd0723dbe20

Comment 6 Huzaifa S. Sidhpurwala 2017-08-04 03:52:54 UTC

Created mingw-expat tracking bugs for this issue:

Affects: fedora-all [bug 1478230]