Vulnerabilidades do Mozilla Firefox
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CVEs publicadas que afetam Mozilla Firefox: 607 registro(s), com versões afetadas e correções.cpe:2.3:a:mozilla:firefox
CVE-2026-2773
Crítica · 9.8
CWE-119 24/02/2026
Incorrect boundary conditions in the Web Audio component
Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2772
Crítica · 9.8
CWE-416 24/02/2026
Use-after-free in the Audio/Video: Playback component
Use-after-free in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2771
Crítica · 9.8
CWE-125 24/02/2026
Undefined behavior in the DOM: Core & HTML component
Undefined behavior in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2770
Crítica · 9.8
CWE-416 24/02/2026
Use-after-free in the DOM: Bindings (WebIDL) component
Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2769
Alta · 8.8
CWE-416 24/02/2026
Use-after-free in the Storage: IndexedDB component
Use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2768
Crítica · 10.0
CWE-284 24/02/2026
Sandbox escape in the Storage: IndexedDB component
Sandbox escape in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2767
Crítica · 9.8
CWE-416 24/02/2026
Use-after-free in the JavaScript: WebAssembly component
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2766
Crítica · 9.8
CWE-416 24/02/2026
Use-after-free in the JavaScript Engine: JIT component
Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2765
Crítica · 9.8
CWE-416 24/02/2026
Use-after-free in the JavaScript Engine component
Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2764
Crítica · 9.8
CWE-416 24/02/2026
JIT miscompilation, use-after-free in the JavaScript Engine: JIT component
JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2763
Crítica · 9.8
CWE-416 24/02/2026
Use-after-free in the JavaScript Engine component
Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2762
Crítica · 9.8
CWE-190 24/02/2026
Integer overflow in the JavaScript: Standard Library component
Integer overflow in the JavaScript: Standard Library component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2761
Crítica · 10.0
CWE-693 24/02/2026
Sandbox escape in the Graphics: WebRender component
Sandbox escape in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2760
Crítica · 10.0
CWE-1384 24/02/2026
Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component
Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2759
Crítica · 9.8
CWE-1384 24/02/2026
Incorrect boundary conditions in the Graphics: ImageLib component
Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2758
Crítica · 9.8
CWE-416 24/02/2026
Use-after-free in the JavaScript: GC component
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2757
Crítica · 9.8
CWE-1384 24/02/2026
Incorrect boundary conditions in the WebRTC: Audio/Video component
Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2634
Crítica · 9.8
CWE-451 24/02/2026
Spoofed web content presented under trusted domains using scripted navigation on Firefox iOS
Malicious scripts could cause desynchronization between the address bar and web content before a response is received in Firefox iOS, allowing attacker-controlled pages to be presented under spoofed domains. This vulnerability was fixed in Firefox for iOS 147.4.
CVE-2026-2447
Alta · 8.8
CWE-122 16/02/2026
Heap buffer overflow in libvpx
Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.
CVE-2026-2032
Média · 4.3
CWE-451 16/02/2026
Interrupted page loads in new tabs could allow website spoofing under trusted domains in Firefox iOS
Malicious scripts that interrupt new tab page loading could cause desynchronization between the address bar and page content, allowing the attacker to spoof arbitrary HTML under a trusted domain. This vulnerability was fixed in Firefox for iOS 147.2.1.
CVE-2026-24869
Alta · 8.8
CWE-416 27/01/2026
Use-after-free in the Layout: Scrolling and Overflow component
Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 147.0.2.
CVE-2026-24868
Média · 6.5
CWE-693 27/01/2026
Mitigation bypass in the Privacy: Anti-Tracking component
Mitigation bypass in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 147.0.2.
CVE-2026-0892
Crítica · 9.8
CWE-119 13/01/2026
Memory safety bugs fixed in Firefox 147 and Thunderbird 147
Memory safety bugs present in Firefox 146 and Thunderbird 146. 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 147 and Thunderbird 147.
CVE-2026-0891
Alta · 8.1
CWE-119 13/01/2026
Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147
Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. 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 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0890
Média · 5.4
CWE-290 13/01/2026
Spoofing issue in the DOM: Copy & Paste and Drag & Drop component
Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.