Vulnerabilidades do Mozilla Firefox
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CVEs publicadas que afetam Mozilla Firefox: 606 registro(s), com versões afetadas e correções.cpe:2.3:a:mozilla:firefox
CVE-2026-4722
Alta · 8.8
24/03/2026
Privilege escalation in the IPC component
Privilege escalation in the IPC component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4721
Crítica · 9.8
CWE-120 24/03/2026
Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149
Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4720
Crítica · 9.8
CWE-120 24/03/2026
Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149
Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4719
Alta · 7.5
CWE-754 24/03/2026
Incorrect boundary conditions in the Graphics: Text component
Incorrect boundary conditions in the Graphics: Text component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4718
Alta · 8.1
CWE-758 24/03/2026
Undefined behavior in the WebRTC: Signaling component
Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4717
Crítica · 9.8
24/03/2026
Privilege escalation in the Netmonitor component
Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4716
Crítica · 9.1
CWE-908 24/03/2026
Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component
Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4715
Crítica · 9.1
CWE-908 24/03/2026
Uninitialized memory in the Graphics: Canvas2D component
Uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4714
Alta · 7.5
CWE-754 24/03/2026
Incorrect boundary conditions in the Audio/Video component
Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4713
Alta · 7.5
CWE-754 24/03/2026
Incorrect boundary conditions in the Graphics component
Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4712
Alta · 7.5
CWE-200 24/03/2026
Information disclosure in the Widget: Cocoa component
Information disclosure in the Widget: Cocoa component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4711
Crítica · 9.8
CWE-416 24/03/2026
Use-after-free in the Widget: Cocoa component
Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4710
Crítica · 9.8
CWE-119 24/03/2026
Incorrect boundary conditions in the Audio/Video component
Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4709
Alta · 7.5
CWE-754 24/03/2026
Incorrect boundary conditions in the Audio/Video: GMP component
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4708
Alta · 7.5
CWE-754 24/03/2026
Incorrect boundary conditions in the Graphics component
Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4707
Alta · 7.5
CWE-754 24/03/2026
Incorrect boundary conditions in the Graphics: Canvas2D component
Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4706
Alta · 7.5
CWE-754 24/03/2026
Incorrect boundary conditions in the Graphics: Canvas2D component
Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4705
Crítica · 9.8
CWE-758 24/03/2026
Undefined behavior in the WebRTC: Signaling component
Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4704
Alta · 7.5
CWE-400 24/03/2026
Denial-of-service in the WebRTC: Signaling component
Denial-of-service in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4702
Crítica · 9.8
CWE-843 24/03/2026
JIT miscompilation in the JavaScript Engine component
JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4701
Crítica · 9.8
CWE-416 24/03/2026
Use-after-free in the JavaScript Engine component
Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4700
Crítica · 9.8
CWE-288 24/03/2026
Mitigation bypass in the Networking: HTTP component
Mitigation bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4699
Alta · 7.5
CWE-754 24/03/2026
Incorrect boundary conditions in the Layout: Text and Fonts component
Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4698
Crítica · 9.8
CWE-843 24/03/2026
JIT miscompilation in the JavaScript Engine: JIT component
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
CVE-2026-4697
Alta · 7.5
CWE-754 24/03/2026
Incorrect boundary conditions in the Audio/Video: Web Codecs component
Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.