Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 9 Type: Security Severity: Important Release date: 2024-01-03 Summary: 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. Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2024-0001.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team