An update for thunderbird is now available for Red Hat Enterprise Linux 8.8
 Extended Update Support.

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.

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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)