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ALSA-2025:2359 — 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: Use-after-free in WebTransportChild (CVE-2025-1931) * firefox: AudioIPC StreamData could trigger a use-after-free in the Browser process (CVE-2025-1930) * firefox: Unexpected GC during RegExp bailout processing (CVE-2025-1934) * firefox: Clickjacking the registerProtocolHandler info-bar Reporter (CVE-2025-1935) * firefox: thunderbird: Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8 (CVE-2025-1938) * firefox: JIT corruption of WASM i32 return values on 64-bit CPUs (CVE-2025-1933) * firefox: thunderbird: Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 115.21, Firefox ESR 128.8, and Thunderbird 128.8 (CVE-2025-1937) * firefox: Inconsistent comparator in XSLT sorting led to out-of-bounds access (CVE-2025-1932) * firefox: Adding %00 and a fake extension to a jar: URL changed the interpretation of the contents (CVE-2025-1936)

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:2025-02602

certfr-2025-avi-0176 — De multiples vulnérabilités ont été découvertes dans les produits Mozilla. Certaines d'entre elles permettent à un atta…

certfr-2025-avi-0176

EUVD-2026-324660

fkie_cve-2025-1935

A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

GHSA-c22c-4xww-2fqr

A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability affects Firefox < 136 and Firefox ESR < 128.8.

OESA-2025-1265 — firefox security update

Affected: openEuler:22.03-LTS-SP4: firefox

Mozilla Firefox is a standalone web browser, designed for standards compliance and performance. Its functionality can be enhanced via a plethora of extensions. Security Fix(es):

When loading a script with Subresource Integrity, attackers with an injection capability could trigger the reuse of previously cached entries with incorrect, different integrity metadata. This vulnerability affects Firefox < 103.(CVE-2022-36315)

When using the Performance API, an attacker was able to notice subtle differences between PerformanceEntries and thus learn whether the target URL had been subject to a redirect. This vulnerability affects Firefox < 103.(CVE-2022-36316)

An attacker could have written a value to the first element in a zero-length JavaScript array. Although the array was zero-length, the value was not written to an invalid memory address. This vulnerability affects Firefox < 104.(CVE-2022-38475)

Service Workers did not detect Private Browsing Mode correctly in all cases, which could have led to Service Workers being written to disk for websites visited in Private Browsing Mode. This would not have persisted them in a state where they would run again, but it would have leaked Private Browsing Mode details to disk. This vulnerability affects Firefox < 107.(CVE-2022-45417)

If the user added a security exception for an invalid TLS certificate, opened an ongoing TLS connection with a server that used that certificate, and then deleted the exception, Firefox woul…

openSUSE-SU-2025:14852-1 — firefox-esr-128.8.0-1.1 on GA media

firefox-esr-128.8.0-1.1 on GA media

RHSA-2025:2479 — Red Hat Security Advisory: firefox security update

firefox: AudioIPC StreamData could trigger a use-after-free in the Browser process firefox: Use-after-free in WebTransportChild firefox: Inconsistent comparator in XSLT sorting led to out-of-bounds access firefox: JIT corruption of WASM i32 return values on 64-bit CPUs firefox: Unexpected GC during RegExp bailout processing firefox: Clickjacking the registerProtocolHandler info-bar Reporter firefox: Adding %00 and a fake extension to a jar: URL changed the interpretation of the contents firefox: thunderbird: Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 115.21, Firefox ESR 128.8, and Thunderbird 128.8 firefox: thunderbird: Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8

SUSE-SU-2025:0783-1 — Security update for MozillaFirefox

Security update for MozillaFirefox

UBUNTU-CVE-2025-1935

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:22.04:LTS: thunderbird, Ubuntu:24.04:LTS: mozjs102 and 1 more

WID-SEC-W-2025-0482 — Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird: Mehrere Schwachstellen

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um Spoofing-Angriffe durchzuführen, Sicherheitsmaßnahmen zu umgehen, erhöhte Privilegien zu erlangen, einen Denial-of-Service-Zustand herbeizuführen, vertrauliche Informationen offenzulegen, Daten zu manipulieren, beliebigen Code auszuführen oder nicht spezifizierte Auswirkungen zu verursachen.