ALSA-2024:0003

ALSA-2024:0003 · Important: thunderbird security update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

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 PR_GetIdentitiesLayer (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.

Fix available

Published

2024-01-02T00:00:00Z

Updated

2026-10-29T11:02:19.342612389Z

Stack: system

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