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===================================================================== Red Hat Security Advisory
Synopsis: Important: thunderbird security update Advisory ID: RHSA-2016:0258-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0258.html Issue date: 2016-02-18 CVE Names: CVE-2016-1930 CVE-2016-1935 =====================================================================
1. Summary:
An updated thunderbird package that fixes multiple security issues is now available for Red Hat Enterprise Linux 5, 6, and 7.
Red Hat Product Security has rated this update as having Important 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 Client (v. 7) - x86_64 Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64 Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) - i386, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64le, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64
3. Description:
Mozilla Thunderbird is a standalone mail and newsgroup client.
Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird. (CVE-2016-1930, CVE-2016-1935)
Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Bob Clary, Christian Holler, Nils Ohlmeier, Gary Kwong, Jesse Ruderman, Carsten Book, Randell Jesup, and Aki Helin as the original reporters of these issues.
For technical details regarding these flaws, refer to the Mozilla security advisories for Thunderbird 38.6.0. You can find a link to the Mozilla advisories in the References section of this erratum.
All Thunderbird users should upgrade to this updated package, which contains Thunderbird version 38.6.0, which corrects these issues. After installing the update, Thunderbird must be restarted for the changes to take effect.
4. Solution:
Before applying this update, make sure all previously released errata relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1301818 - CVE-2016-1930 Mozilla: Miscellaneous memory safety hazards (rv:38.6) (MFSA 2016-01) 1301821 - CVE-2016-1935 Mozilla: Buffer overflow in WebGL after out of memory allocation (MFSA 2016-03)
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source: thunderbird-38.6.0-1.el5_11.src.rpm
i386: thunderbird-38.6.0-1.el5_11.i386.rpm thunderbird-debuginfo-38.6.0-1.el5_11.i386.rpm
x86_64: thunderbird-38.6.0-1.el5_11.x86_64.rpm thunderbird-debuginfo-38.6.0-1.el5_11.x86_64.rpm
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server):
Source: thunderbird-38.6.0-1.el5_11.src.rpm
i386: thunderbird-38.6.0-1.el5_11.i386.rpm thunderbird-debuginfo-38.6.0-1.el5_11.i386.rpm
x86_64: thunderbird-38.6.0-1.el5_11.x86_64.rpm thunderbird-debuginfo-38.6.0-1.el5_11.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 6):
Source: thunderbird-38.6.0-1.el6_7.src.rpm
i386: thunderbird-38.6.0-1.el6_7.i686.rpm thunderbird-debuginfo-38.6.0-1.el6_7.i686.rpm
x86_64: thunderbird-38.6.0-1.el6_7.x86_64.rpm thunderbird-debuginfo-38.6.0-1.el6_7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source: thunderbird-38.6.0-1.el6_7.src.rpm
i386: thunderbird-38.6.0-1.el6_7.i686.rpm thunderbird-debuginfo-38.6.0-1.el6_7.i686.rpm
ppc64: thunderbird-38.6.0-1.el6_7.ppc64.rpm thunderbird-debuginfo-38.6.0-1.el6_7.ppc64.rpm
s390x: thunderbird-38.6.0-1.el6_7.s390x.rpm thunderbird-debuginfo-38.6.0-1.el6_7.s390x.rpm
x86_64: thunderbird-38.6.0-1.el6_7.x86_64.rpm thunderbird-debuginfo-38.6.0-1.el6_7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: thunderbird-38.6.0-1.el6_7.src.rpm
i386: thunderbird-38.6.0-1.el6_7.i686.rpm thunderbird-debuginfo-38.6.0-1.el6_7.i686.rpm
x86_64: thunderbird-38.6.0-1.el6_7.x86_64.rpm thunderbird-debuginfo-38.6.0-1.el6_7.x86_64.rpm
Red Hat Enterprise Linux Client (v. 7):
Source: thunderbird-38.6.0-1.el7_2.src.rpm
x86_64: thunderbird-38.6.0-1.el7_2.x86_64.rpm thunderbird-debuginfo-38.6.0-1.el7_2.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
Source: thunderbird-38.6.0-1.el7_2.src.rpm
ppc64le: thunderbird-38.6.0-1.el7_2.ppc64le.rpm thunderbird-debuginfo-38.6.0-1.el7_2.ppc64le.rpm
x86_64: thunderbird-38.6.0-1.el7_2.x86_64.rpm thunderbird-debuginfo-38.6.0-1.el7_2.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: thunderbird-38.6.0-1.el7_2.src.rpm
x86_64: thunderbird-38.6.0-1.el7_2.x86_64.rpm thunderbird-debuginfo-38.6.0-1.el7_2.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/
7. References:
https://access.redhat.com/security/cve/CVE-2016-1930 https://access.redhat.com/security/cve/CVE-2016-1935 https://access.redhat.com/security/updates/classification/#important https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/#thunderbird38.6
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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