Issued:

2011-08-31

Updated:

2011-08-31

RHSA-2011:1242 - Important: firefox security update

Synopsis

Important: firefox security update

Type/Severity

Security Advisory Important

Topic

Updated firefox packages that fix one security issue are now available for Red Hat Enterprise Linux 4, 5, and 6.

The Red Hat Security Response Team has rated this update as having important security impact.

Description

Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox.

It was found that a Certificate Authority (CA) issued a fraudulent HTTPS certificate. This update renders any HTTPS certificates signed by that CA as untrusted, except for a select few. The now untrusted certificates that were issued before July 1, 2011 can be manually re-enabled and used again at your own risk in Firefox; however, affected certificates issued after this date cannot be re-enabled or used. (BZ#734316)

All Firefox users should upgrade to these updated packages, which contain a backported patch. After installing the update, Firefox must be restarted for the changes to take effect.

Solution

Before applying this update, make sure all previously-released errata relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at This content is not included.https://access.redhat.com/kb/docs/DOC-11259

Affected Products

Updated Packages

• firefox-3.6.20-3.el4.i386.rpm
• xulrunner-1.9.2.20-3.el6_1.x86_64.rpm
• xulrunner-1.9.2.20-3.el5_7.s390x.rpm
• firefox-3.6.20-3.el4.src.rpm
• xulrunner-devel-1.9.2.20-3.el5_7.s390.rpm
• xulrunner-devel-1.9.2.20-3.el6_1.i686.rpm
• xulrunner-devel-1.9.2.20-3.el5_7.ppc64.rpm
• xulrunner-1.9.2.20-3.el6_1.s390x.rpm
• xulrunner-debuginfo-1.9.2.20-3.el6_1.x86_64.rpm
• xulrunner-devel-1.9.2.20-3.el5_7.ia64.rpm
• xulrunner-debuginfo-1.9.2.20-3.el6_1.s390.rpm
• xulrunner-1.9.2.20-3.el6_1.src.rpm
• firefox-3.6.20-3.el4.s390x.rpm
• xulrunner-debuginfo-1.9.2.20-3.el6_1.i686.rpm
• xulrunner-1.9.2.20-3.el6_1.ppc.rpm
• xulrunner-devel-1.9.2.20-3.el5_7.s390x.rpm
• xulrunner-devel-1.9.2.20-3.el6_1.ppc64.rpm
• xulrunner-1.9.2.20-3.el6_1.ppc64.rpm
• xulrunner-devel-1.9.2.20-3.el6_1.s390.rpm
• xulrunner-1.9.2.20-3.el5_7.ppc64.rpm
• xulrunner-devel-1.9.2.20-3.el6_1.x86_64.rpm
• xulrunner-devel-1.9.2.20-3.el5_7.i386.rpm
• xulrunner-1.9.2.20-3.el5_7.ppc.rpm
• xulrunner-1.9.2.20-3.el6_1.i686.rpm
• xulrunner-1.9.2.20-3.el5_7.ia64.rpm
• xulrunner-1.9.2.20-3.el5_7.src.rpm
• firefox-3.6.20-3.el4.s390.rpm
• xulrunner-1.9.2.20-3.el5_7.x86_64.rpm
• firefox-3.6.20-3.el4.ppc.rpm
• xulrunner-devel-1.9.2.20-3.el5_7.x86_64.rpm
• xulrunner-debuginfo-1.9.2.20-3.el6_1.ppc.rpm
• xulrunner-devel-1.9.2.20-3.el5_7.ppc.rpm
• xulrunner-debuginfo-1.9.2.20-3.el6_1.ppc64.rpm
• xulrunner-devel-1.9.2.20-3.el6_1.ppc.rpm
• xulrunner-devel-1.9.2.20-3.el6_1.s390x.rpm
• xulrunner-debuginfo-1.9.2.20-3.el6_1.s390x.rpm
• firefox-3.6.20-3.el4.ia64.rpm
• xulrunner-1.9.2.20-3.el6_1.s390.rpm
• firefox-3.6.20-3.el4.x86_64.rpm
• xulrunner-1.9.2.20-3.el5_7.i386.rpm
• xulrunner-1.9.2.20-3.el5_7.s390.rpm

Fixes

• This content is not included.BZ - 734316

CVEs

(none)

References

• https://access.redhat.com/security/updates/classification/#important

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.