RHSA-2022:4891 - 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 91.10.0.

Security Fix(es):

• Mozilla: Braille space character caused incorrect sender email to be shown for a digitally signed email (CVE-2022-1834)
• Mozilla: Cross-Origin resource's length leaked (CVE-2022-31736)
• Mozilla: Heap buffer overflow in WebGL (CVE-2022-31737)
• Mozilla: Browser window spoof using fullscreen mode (CVE-2022-31738)
• Mozilla: Register allocation problem in WASM on arm64 (CVE-2022-31740)
• Mozilla: Uninitialized variable leads to invalid memory read (CVE-2022-31741)
• Mozilla: Memory safety bugs fixed in Firefox 101 and Firefox ESR 91.10 (CVE-2022-31747)
• Mozilla: Querying a WebAuthn token with a large number of allowCredential entries may have leaked cross-origin information (CVE-2022-31742)

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 Server - Extended Life Cycle Support 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
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

• BZ - 2092018 - CVE-2022-31736 Mozilla: Cross-Origin resource's length leaked
• BZ - 2092019 - CVE-2022-31737 Mozilla: Heap buffer overflow in WebGL
• BZ - 2092021 - CVE-2022-31738 Mozilla: Browser window spoof using fullscreen mode
• BZ - 2092023 - CVE-2022-31740 Mozilla: Register allocation problem in WASM on arm64
• BZ - 2092024 - CVE-2022-31741 Mozilla: Uninitialized variable leads to invalid memory read
• BZ - 2092025 - CVE-2022-31742 Mozilla: Querying a WebAuthn token with a large number of allowCredential entries may have leaked cross-origin information
• BZ - 2092026 - CVE-2022-31747 Mozilla: Memory safety bugs fixed in Firefox 101 and Firefox ESR 91.10
• BZ - 2092416 - CVE-2022-1834 Mozilla: Braille space character caused incorrect sender email to be shown for a digitally signed email

CVEs

• CVE-2022-1834
• CVE-2022-31736
• CVE-2022-31737
• CVE-2022-31738
• CVE-2022-31740
• CVE-2022-31741
• CVE-2022-31742
• CVE-2022-31747

References

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