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ALSA-2024:0012 — Important: firefox security update

Affected: AlmaLinux:8: firefox

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.

bdu:2023-09059

certfr-2023-avi-1048 — De multiples vulnérabilités ont été découvertes dans les produits Mozilla. Elles permettent…

certfr-2023-avi-1048

cnvd-2025-01200

EUVD-2026-217096

fkie_cve-2023-6865

`EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121.

GHSA-5c8h-j5h5-r8w3

gsd-2023-6865

OESA-2025-1322 — firefox security update

Affected: openEuler:22.03-LTS-SP3: firefox

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo Security Fix(es):

Multiple NSS NIST curves were susceptible to a side-channel attack known as "Minerva". This attack could potentially allow an attacker to recover the private key. This vulnerability affects Firefox < 121.(CVE-2023-6135)

Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.(CVE-2023-6207)

When using X11, text selected by the page using the Selection API was erroneously copied into the primary selection, a temporary storage not unlike the clipboard. *This bug only affects Firefox on X11. Other systems are unaffected.* This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.(CVE-2023-6208)

Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host…

openSUSE-SU-2024:13531-1 — MozillaFirefox-121.0-1.1 on GA media

MozillaFirefox-121.0-1.1 on GA media

RHSA-2024:0011 — Red Hat Security Advisory: firefox security update

Mozilla: Heap-buffer-overflow affecting WebGL <code>DrawElementsInstanced</code> method with Mesa VM driver Mozilla: Symlinks may resolve to smaller than expected buffers Mozilla: Heap buffer overflow in <code>nsTextFragment</code> Mozilla: Use-after-free in PR_GetIdentitiesLayer Mozilla: Potential sandbox escape due to <code>VideoBridge</code> lack of texture validation Mozilla: Heap buffer overflow affected <code>nsWindow::PickerOpen(void)</code> in headless mode Mozilla: Use-after-free in <code>nsDNSService</code> Mozilla: Undefined behavior in <code>ShutdownObserver()</code> Mozilla: Memory safety bugs fixed in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6 Mozilla: Potential exposure of uninitialized data in <code>EncryptingOutputStream</code> Mozilla: Clickjacking permission prompts using the popup transition

SUSE-SU-2023:4912-1 — Security update for MozillaFirefox

Security update for MozillaFirefox

UBUNTU-CVE-2023-6865

Affected: Ubuntu:18.04:LTS: mozjs52, Ubuntu:18.04:LTS: mozjs38, Ubuntu:20.04:LTS: firefox, Ubuntu:20.04:LTS: mozjs68, Ubuntu:20.04:LTS: mozjs52, Ubuntu:22.04:LTS: mozjs102, Ubuntu:22.04:LTS: mozjs78, Ubuntu:22.04:LTS: mozjs91, Ubuntu:24.04:LTS: mozjs102

WID-SEC-W-2023-3185 — Mozilla Firefox und Thunderbird: Mehrere Schwachstellen

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Firefox ESR und Thunderbird ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsvorkehrungen zu umgehen, Informationen offenzulegen und undefiniertes Verhalten zu verursachen.