RHSA-2022:9079 - Security Advisory

Topic

An update for thunderbird is now available for 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 102.6.0.

Security Fix(es):

• Mozilla: Arbitrary file read from a compromised content process (CVE-2022-46872)
• Mozilla: Memory safety bugs fixed in Firefox ESR 102.6 and Thunderbird 102.6 (CVE-2022-46878)
• Mozilla: Use-after-free in WebGL (CVE-2022-46880)
• Mozilla: Memory corruption in WebGL (CVE-2022-46881)
• Mozilla: Quoting from an HTML email with certain tags will trigger network requests and load remote content, regardless of a configuration to block remote content (CVE-2022-45414)
• Mozilla: Drag and Dropped Filenames could have been truncated to malicious extensions (CVE-2022-46874)
• Mozilla: Use-after-free in WebGL (CVE-2022-46882)

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

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 Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

• BZ - 2149868 - CVE-2022-45414 Mozilla: Quoting from an HTML email with certain tags will trigger network requests and load remote content, regardless of a configuration to block remote content
• BZ - 2153441 - CVE-2022-46872 Mozilla: Arbitrary file read from a compromised content process
• BZ - 2153449 - CVE-2022-46874 Mozilla: Drag and Dropped Filenames could have been truncated to malicious extensions
• BZ - 2153454 - CVE-2022-46878 Mozilla: Memory safety bugs fixed in Firefox ESR 102.6 and Thunderbird 102.6
• BZ - 2153463 - CVE-2022-46880 Mozilla: Use-after-free in WebGL
• BZ - 2153466 - CVE-2022-46881 Mozilla: Memory corruption in WebGL
• BZ - 2153467 - CVE-2022-46882 Mozilla: Use-after-free in WebGL

CVEs

• CVE-2022-45414
• CVE-2022-46872
• CVE-2022-46874
• CVE-2022-46878
• CVE-2022-46880
• CVE-2022-46881
• CVE-2022-46882

References

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