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.