Issued at: 2026-08-26
Updated at: 2026-08-26
Advisory content derived from Red Hat RHSA-2024:4002, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: thunderbird security update
Description
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.