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ALSA-2025:16108 — Important: firefox security update

Affected: AlmaLinux:9: firefox, AlmaLinux:9: firefox-x11

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

Security Fix(es):

* firefox: thunderbird: Sandbox escape due to use-after-free in the Graphics: Canvas2D component (CVE-2025-10527) * firefox: thunderbird: Incorrect boundary conditions in the JavaScript: GC component (CVE-2025-10532) * firefox: thunderbird: Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component (CVE-2025-10528) * firefox: thunderbird: Same-origin policy bypass in the Layout component (CVE-2025-10529) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143 (CVE-2025-10537) * firefox: thunderbird: Information disclosure in the Networking: Cache component (CVE-2025-10536) * firefox: thunderbird: Integer overflow in the SVG component (CVE-2025-10533)

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:2025-11379

certfr-2025-avi-0797 — De multiples vulnérabilités ont été découvertes dans les produits Mozilla. Certaines d'entre elles permettent à un atta…

certfr-2025-avi-0797

cnvd-2025-24646

EUVD-2026-290724

fkie_cve-2025-10532

Incorrect boundary conditions in the JavaScript: GC component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

GHSA-f2wr-3fjg-j32f

This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.

OESA-2025-2340 — firefox security update

Affected: openEuler:24.03-LTS-SP1: 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):

This vulnerability affects Firefox versions prior to 143 and Firefox ESR versions prior to 140.3. Specific vulnerability type and impact details require further confirmation.(CVE-2025-10527)

This vulnerability affects Firefox < 143 and Firefox ESR < 140.3.(CVE-2025-10528)

This vulnerability affects Firefox versions earlier than 143 and Firefox ESR versions earlier than 140.3. The vulnerability may lead to security bypass or other security issues.(CVE-2025-10529)

This vulnerability affects Firefox < 143 and Firefox ESR < 140.3.(CVE-2025-10532)

This vulnerability affects Firefox < 143, Firefox ESR < 115.28, and Firefox ESR < 140.3. Specific vulnerability details require further analysis.(CVE-2025-10533)

This vulnerability affects Firefox < 143 and Firefox ESR < 140.3.(CVE-2025-10536)

Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. Som…

openSUSE-SU-2025:15555-1 — firefox-esr-140.3.0-1.1 on GA media

firefox-esr-140.3.0-1.1 on GA media

RHSA-2025:17340 — Red Hat Security Advisory: thunderbird security update

idna: idna accepts Punycode labels that do not produce any non-ASCII when decoded firefox: thunderbird: Sandbox escape due to use-after-free in the Graphics: Canvas2D component firefox: thunderbird: Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component firefox: thunderbird: Same-origin policy bypass in the Layout component firefox: thunderbird: Incorrect boundary conditions in the JavaScript: GC component firefox: thunderbird: Integer overflow in the SVG component firefox: thunderbird: Information disclosure in the Networking: Cache component firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143

SUSE-SU-2025:03287-1 — Security update for MozillaFirefox

Security update for MozillaFirefox

UBUNTU-CVE-2025-10532

Affected: Ubuntu:18.04:LTS: mozjs52, Ubuntu:18.04:LTS: mozjs38, 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:22.04:LTS: thunderbird, Ubuntu:24.04:LTS: mozjs102, Ubuntu:24.04:LTS: mozjs115

Incorrect boundary conditions in the JavaScript: GC component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

WID-SEC-W-2025-2074 — Mozilla Firefox, Firefox ESR und Thunderbird: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial-of-Service Angriff durchzuführen, um falsche Informationen darzustellen, um Code auszuführen und um Informationen offenzulegen.