-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Critical: thunderbird security update Advisory ID: RHSA-2011:1439-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-1439.html Issue date: 2011-11-08 CVE Names: CVE-2011-3647 CVE-2011-3648 CVE-2011-3650 ===================================================================== 1. Summary: An updated thunderbird package that fixes multiple security issues is now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having critical security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 3. Description: Mozilla Thunderbird is a standalone mail and newsgroup client. A flaw was found in the way Thunderbird handled certain add-ons. Malicious, remote content could cause an add-on to elevate its privileges, which could lead to arbitrary code execution with the privileges of the user running Thunderbird. (CVE-2011-3647) A cross-site scripting (XSS) flaw was found in the way Thunderbird handled certain multibyte character sets. Malicious, remote content could cause Thunderbird to run JavaScript code with the permissions of different remote content. (CVE-2011-3648) A flaw was found in the way Thunderbird handled large JavaScript scripts. Malicious, remote content could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird. (CVE-2011-3650) All Thunderbird users should upgrade to this updated package, which resolves these issues. All running instances of Thunderbird must be restarted for the update to take effect. 4. 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 https://access.redhat.com/kb/docs/DOC-11259 5. Bugs fixed (http://bugzilla.redhat.com/): 751931 - CVE-2011-3647 Mozilla: Security problem with loadSubScript on 1.9.2 branch (MFSA 2011-46) 751932 - CVE-2011-3648 Mozilla: Universal XSS likely with MultiByte charset (MFSA 2011-47) 751933 - CVE-2011-3650 Mozilla: crash while profiling page with many functions (MFSA 2011-49) 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/thunderbird-3.1.16-2.el6_1.src.rpm i386: thunderbird-3.1.16-2.el6_1.i686.rpm thunderbird-debuginfo-3.1.16-2.el6_1.i686.rpm x86_64: thunderbird-3.1.16-2.el6_1.x86_64.rpm thunderbird-debuginfo-3.1.16-2.el6_1.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/thunderbird-3.1.16-2.el6_1.src.rpm i386: thunderbird-3.1.16-2.el6_1.i686.rpm thunderbird-debuginfo-3.1.16-2.el6_1.i686.rpm ppc64: thunderbird-3.1.16-2.el6_1.ppc64.rpm thunderbird-debuginfo-3.1.16-2.el6_1.ppc64.rpm s390x: thunderbird-3.1.16-2.el6_1.s390x.rpm thunderbird-debuginfo-3.1.16-2.el6_1.s390x.rpm x86_64: thunderbird-3.1.16-2.el6_1.x86_64.rpm thunderbird-debuginfo-3.1.16-2.el6_1.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/thunderbird-3.1.16-2.el6_1.src.rpm i386: thunderbird-3.1.16-2.el6_1.i686.rpm thunderbird-debuginfo-3.1.16-2.el6_1.i686.rpm x86_64: thunderbird-3.1.16-2.el6_1.x86_64.rpm thunderbird-debuginfo-3.1.16-2.el6_1.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/#package 7. References: https://www.redhat.com/security/data/cve/CVE-2011-3647.html https://www.redhat.com/security/data/cve/CVE-2011-3648.html https://www.redhat.com/security/data/cve/CVE-2011-3650.html https://access.redhat.com/security/updates/classification/#critical 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2011 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFOuah0XlSAg2UNWIIRAha8AJ95uZ0K4xvP3WmL6MaSTfh3LNjjqgCghlKQ 5q17sOU4RrClp+GOyvXdNsE= =ereQ -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce