Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 6.

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 52.7.0.

Security Fix(es):

• Mozilla: Memory safety bugs fixed in Firefox 59 and Firefox ESR 52.7 (MFSA 2018-07) (CVE-2018-5125)
• Mozilla: Memory safety bugs fixed in Firefox ESR 52.7 (MFSA 2018-07) (CVE-2018-5145)
• Mozilla: Vorbis audio processing out of bounds write (MFSA 2018-08) (CVE-2018-5146)
• Mozilla: Buffer overflow manipulating SVG animatedPathSegList (MFSA 2018-07) (CVE-2018-5127)
• Mozilla: Out-of-bounds write with malformed IPC messages (MFSA 2018-07) (CVE-2018-5129)
• Mozilla: Integer overflow during Unicode conversion (MFSA 2018-07) (CVE-2018-5144)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Bob Clary, Olli Pettay, Christian Holler, Nils Ohlmeier, Randell Jesup, Tyson Smith, Ralph Giles, Philipp, Jet Villegas, Richard Zhu via Trend Micro's Zero Day Initiative, Nils, James Grant, and Root Object 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 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 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 Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

• BZ - 1555127 - CVE-2018-5125 Mozilla: Memory safety bugs fixed in Firefox 59 and Firefox ESR 52.7 (MFSA 2018-07)
• BZ - 1555128 - CVE-2018-5127 Mozilla: Buffer overflow manipulating SVG animatedPathSegList (MFSA 2018-07)
• BZ - 1555129 - CVE-2018-5129 Mozilla: Out-of-bounds write with malformed IPC messages (MFSA 2018-07)
• BZ - 1555132 - CVE-2018-5144 Mozilla: Integer overflow during Unicode conversion (MFSA 2018-07)
• BZ - 1555133 - CVE-2018-5145 Mozilla: Memory safety bugs fixed in Firefox ESR 52.7 (MFSA 2018-07)
• BZ - 1557221 - CVE-2018-5146 Mozilla: Vorbis audio processing out of bounds write (MFSA 2018-08)

CVEs

• CVE-2018-5125
• CVE-2018-5127
• CVE-2018-5129
• CVE-2018-5144
• CVE-2018-5145
• CVE-2018-5146

References

• https://access.redhat.com/security/updates/classification/#important
• https://www.mozilla.org/en-US/security/advisories/mfsa2018-09/