Issued at: 2024-01-09
Updated at: 2024-01-09
Synopsis
Important: firefox security update
Description
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 115.6.0 ESR.
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: Potential exposure of uninitialized data in <code>EncryptingOutputStream</code> (CVE-2023-6865)
* 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: Clickjacking permission prompts using the popup transition (CVE-2023-6867)
* 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.