RHSA-2022:1725 - 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 91.9.0.

Security Fix(es):

• Mozilla: Bypassing permission prompt in nested browsing contexts (CVE-2022-29909)
• Mozilla: iframe Sandbox bypass (CVE-2022-29911)
• Mozilla: Fullscreen notification bypass using popups (CVE-2022-29914)
• Mozilla: Leaking browser history with CSS variables (CVE-2022-29916)
• Mozilla: Memory safety bugs fixed in Firefox 100 and Firefox ESR 91.9 (CVE-2022-29917)
• Mozilla: Reader mode bypassed SameSite cookies (CVE-2022-29912)
• Mozilla: Speech Synthesis feature not properly disabled (CVE-2022-29913)
• Mozilla: Incorrect security status shown after viewing an attached email (CVE-2022-1520)

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 - 2081468 - CVE-2022-29914 Mozilla: Fullscreen notification bypass using popups
• BZ - 2081469 - CVE-2022-29909 Mozilla: Bypassing permission prompt in nested browsing contexts
• BZ - 2081470 - CVE-2022-29916 Mozilla: Leaking browser history with CSS variables
• BZ - 2081471 - CVE-2022-29911 Mozilla: iframe Sandbox bypass
• BZ - 2081472 - CVE-2022-29912 Mozilla: Reader mode bypassed SameSite cookies
• BZ - 2081473 - CVE-2022-29917 Mozilla: Memory safety bugs fixed in Firefox 100 and Firefox ESR 91.9
• BZ - 2082037 - CVE-2022-1520 Mozilla: Incorrect security status shown after viewing an attached email
• BZ - 2082038 - CVE-2022-29913 Mozilla: Speech Synthesis feature not properly disabled

CVEs

• CVE-2022-1520
• CVE-2022-29909
• CVE-2022-29911
• CVE-2022-29912
• CVE-2022-29913
• CVE-2022-29914
• CVE-2022-29916
• CVE-2022-29917

References

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