An update for thunderbird is now available for Red Hat Enterprise Linux 8.4
 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.4 Telecommunications Update Service.

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.

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 115.12.1.

Security Fix(es):

* thunderbird: Use-after-free in networking (CVE-2024-5702)

* thunderbird: Use-after-free in JavaScript object transplant (CVE-2024-5688)

* thunderbird: External protocol handlers leaked by timing attack
(CVE-2024-5690)

* thunderbird:  Sandboxed iframes were able to bypass sandbox restrictions to
open a new window (CVE-2024-5691)

* thunderbird: Cross-Origin Image leak via Offscreen Canvas (CVE-2024-5693)

* thunderbird: Memory Corruption in Text Fragments (CVE-2024-5696)

* thunderbird: Memory safety bugs fixed in Firefox 127, Firefox ESR 115.12, and
Thunderbird 115.12 (CVE-2024-5700)

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.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2024-5688: Use After Free (CWE-416)
CVE-2024-5690: Covert Timing Channel (CWE-385)
CVE-2024-5691: Improper Access Control (CWE-284)
CVE-2024-5693: Inclusion of Functionality from Untrusted Control Sphere
 (CWE-829)
CVE-2024-5696: Improper Validation of Specified Type of Input (CWE-1287)
CVE-2024-5700: Buffer Copy without Checking Size of Input ('Classic Buffer
 Overflow') (CWE-120)
CVE-2024-5702: Use After Free (CWE-416)