RHSA-2024:0027: Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.This update upgrades Thunderbird to version 115.6.0.Security Fix(es): Mozilla: Heap-buffer-overflow affecting WebGL <code>DrawElementsInstanced</code> method with Mesa VM driver (CVE-2023-6856) Mozilla: Memory safety bugs fixed in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6 (CVE-2023-6864) Mozilla: S/MIME signature accepted despite mismatching message date (CVE-2023-50761) Mozilla: Truncated signed text was shown with a valid OpenPGP signature (CVE-2023-50762) Mozilla: Symlinks may resolve to smaller than expected buffers (CVE-2023-6857) Mozilla: Heap buffer overflow in <code>nsTextFragment</code> (CVE-2023-6858) Mozilla: Use-after-free in PRGetIdentitiesLayer (CVE-2023-6859) Mozilla: Potential sandbox escape due to <code>VideoBridge</code> lack of texture validation (CVE-2023-6860) Mozilla: Heap buffer overflow affected <code>nsWindow::PickerOpen(void)</code> in headless mode (CVE-2023-6861) Mozilla: Use-after-free in <code>nsDNSService</code> (CVE-2023-6862) Mozilla: Undefined behavior in <code>ShutdownObserver()</code> (CVE-2023-6863) 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.

— Red Hat