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: Denial-of-service due to out-of-memory in the Graphics: WebRender component (CVE-2025-9182) * thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component (CVE-2025-9179) * thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component (CVE-2025-9180) * thunderbird: firefox: Uninitialized memory in the JavaScript Engine component (CVE-2025-9181) * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 (CVE-2025-9185)

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.

Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.

Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.

Affected: openEuler:24.03-LTS-SP2: thunderbird

Security Fix(es):

On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack, while Baseline-JIT read the entire 64 bits. This vulnerability affects Firefox &lt; 141, Firefox ESR &lt; 115.26, Firefox ESR &lt; 128.13, Firefox ESR &lt; 140.1, Thunderbird &lt; 141, Thunderbird &lt; 128.13, and Thunderbird &lt; 140.1.(CVE-2025-8027)

On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability affects Firefox &lt; 141, Firefox ESR &lt; 115.26, Firefox ESR &lt; 128.13, Firefox ESR &lt; 140.1, Thunderbird &lt; 141, Thunderbird &lt; 128.13, and Thunderbird &lt; 140.1.(CVE-2025-8028)

Firefox executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability affects Firefox &lt; 141, Firefox ESR &lt; 128.13, Firefox ESR &lt; 140.1, Thunderbird &lt; 141, Thunderbird &lt; 128.13, and Thunderbird &lt; 140.1.(CVE-2025-8029)

Insufficient escaping in the &apos;Copy as cURL&apos; feature in Firefox and Thunderbird could potentially be exploited to trick a user into executing unexpected code. This vulnerability affects Firefox &lt; 141, Firefox ESR &lt; 128.13, Firefox ESR &lt; 140.1, Thunderbird &lt; 141, Thunderbird &lt; 128.13, and Thunderbird &lt; 140.1.(CVE-2025-8030)

The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic…

firefox-esr-140.2.0-1.1 on GA media

thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component thunderbird: firefox: Same-origin policy bypass in the Graphics: Canvas2D component thunderbird: firefox: Uninitialized memory in the JavaScript Engine component firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142

Security update for MozillaFirefox

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

Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.

Ein Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um Daten zu manipulieren, um einen Denial of Service Angriff durchzuführen, und um beliebigen Programmcode auszuführen.