Bug 1513310 (CVE-2017-7828)

Summary:	CVE-2017-7828 Mozilla: Use-after-free of PressShell while restyling layout (MFSA 2017-25)
Product:	[Other] Security Response	Reporter:	Doran Moppert <dmoppert>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	urgent	Docs Contact:
Priority:	urgent
Version:	unspecified	CC:	cschalle, gecko-bugs-nobody, jhorak, security-response-team, stransky, yozone
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2018-08-03 07:54:37 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1511858

Description Doran Moppert 2017-11-15 07:36:35 UTC

A use-after-free vulnerability can occur when flushing and resizing layout because the PressShell object has been freed while still in use. This results in a potentially exploitable crash during these operations.


External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2017-25/#CVE-2017-7828

Comment 1 Doran Moppert 2017-11-15 07:36:40 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Nils

Comment 2 errata-xmlrpc 2017-11-17 16:18:36 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2017:3247 https://access.redhat.com/errata/RHSA-2017:3247

Comment 3 errata-xmlrpc 2017-12-04 00:11:30 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2017:3372 https://access.redhat.com/errata/RHSA-2017:3372