Important: thunderbird security update

Synopsis

Important: thunderbird security update

Type/Severity

Security Advisory: Important

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 5, Red
Hat Enterprise Linux 6, and Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of
Important. A Common Vulnerability Scoring System (CVSS) base score, which gives
a detailed severity rating, is available for each vulnerability from the CVE
link(s) in the References section.

Description

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 45.6.0.

Security Fix(es):

• Multiple 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-2016-9893, CVE-2016-9899, CVE-2016-9895, CVE-2016-9900,
  CVE-2016-9901, CVE-2016-9902, CVE-2016-9905)
  

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Wladimir Palant, Philipp, Andrew Krasichkov, insertscript,
Jan de Mooij, Iris Hsiao, Christian Holler, Carsten Book, Timothy Nikkel,
Christoph Diehl, Olli Pettay, Raymond Forbes, and Boris Zbarsky as the original
reporters.

Solution

For details on how to apply this update, which includes the changes described in
this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of Thunderbird must be restarted for the update to take
effect.

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server 5 x86_64
• Red Hat Enterprise Linux Server 5 i386
• Red Hat Enterprise Linux Server - Extended Update Support 7.6 x86_64
• Red Hat Enterprise Linux Server - Extended Update Support 7.5 x86_64
• Red Hat Enterprise Linux Server - Extended Update Support 7.4 x86_64
• Red Hat Enterprise Linux Server - Extended Update Support 7.3 x86_64
• Red Hat Enterprise Linux Server - AUS 7.6 x86_64
• Red Hat Enterprise Linux Server - AUS 7.4 x86_64
• Red Hat Enterprise Linux Server - AUS 7.3 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Workstation 5 x86_64
• Red Hat Enterprise Linux Workstation 5 i386
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux Desktop 5 x86_64
• Red Hat Enterprise Linux Desktop 5 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.5 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.4 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.3 ppc64le
• Red Hat Enterprise Linux Server - TUS 7.6 x86_64
• Red Hat Enterprise Linux Server - TUS 7.3 x86_64
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.6 ppc64le
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.4 ppc64le
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.3 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.6 x86_64
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.4 x86_64
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.3 x86_64

Fixes

• BZ - 1404083 - CVE-2016-9899 Mozilla: Use-after-free while manipulating DOM events and audio elements (MFSA 2016-94, MFSA 2016-95)
• BZ - 1404086 - CVE-2016-9895 Mozilla: CSP bypass using marquee tag (MFSA 2016-94, MFSA 2016-95)
• BZ - 1404090 - CVE-2016-9900 Mozilla: Restricted external resources can be loaded by SVG images through data URLs (MFSA 2016-94, MFSA 2016-95)
• BZ - 1404094 - CVE-2016-9905 Mozilla: Crash in EnumerateSubDocuments (MFSA 2016-94, MFSA 2016-95)
• BZ - 1404096 - CVE-2016-9893 Mozilla: Memory safety bugs fixed in Firefox 50.1 and Firefox ESR 45.6 (MFSA 2016-95)
• BZ - 1404358 - CVE-2016-9901 Mozilla: Data from Pocket server improperly sanitized before execution (MFSA 2016-94, MFSA 2016-95)
• BZ - 1404359 - CVE-2016-9902 Mozilla: Pocket extension does not validate the origin of events (MFSA 2016-94, MFSA 2016-95)

CVEs

• CVE-2016-9905
• CVE-2016-9901
• CVE-2016-9899
• CVE-2016-9895
• CVE-2016-9900
• CVE-2016-9893
• CVE-2016-9902

References

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