#mozilla
28 articles
CVE-2026-8948: Same-Origin Policy Bypass in Mozilla Firefox
Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151....
CVE-2026-8950: Same-Origin Policy Bypass in Mozilla Firefox
Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11....
CVE-2026-8953: Use-after-free sandbox escape in Mozilla Firefox
Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, and Firefox ESR 140.11....
CVE-2026-8956: Integer Overflow in Mozilla Firefox
Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11....
CVE-2026-8959: Sandbox Escape in Mozilla Firefox
Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11....
CVE-2026-8973: Memory safety bugs in Mozilla Firefox
Memory safety bugs present in Firefox 150. 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....
CVE-2026-8974: Memory safety bugs in Mozilla Firefox
Memory safety bugs present in Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited...
CVE-2026-8975: Memory safety bugs in Mozilla Firefox
Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could...
CVE-2026-7321: Sandbox escape in Mozilla Firefox ESR via WebRTC Networking
Sandbox escape in Mozilla Firefox ESR caused by incorrect boundary conditions in the WebRTC: Networking component. The vulnerability was fixed in Firefox ESR 140.10.1.
CVE-2026-6768: Mitigation bypass in Firefox Networking Cookies component
Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150....
CVE-2026-5731: Memory corruption in Mozilla Firefox
Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and w...
CVE-2026-5734: Memory corruption in Mozilla Firefox
Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with en...
CVE-2026-5735: Memory corruption in Mozilla Firefox
Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been expl...
CVE-2026-4688: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9....
CVE-2026-4691: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
Use-after-free in the CSS Parsing and Computation component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9....
CVE-2026-4696: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
Use-after-free in the Layout: Text and Fonts component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9....
CVE-2026-4698: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9....
CVE-2026-4700: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
Mitigation bypass in the Networking: HTTP component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9....
CVE-2026-4701: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9....
CVE-2026-4702: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
JIT miscompilation in the JavaScript Engine component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9....
CVE-2026-4705: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
Undefined behavior in the WebRTC: Signaling component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9....
CVE-2026-4711: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
Use-after-free in the Widget: Cocoa component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9....
CVE-2026-4715: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
Uninitialized memory in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9....
CVE-2026-4716: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9....
CVE-2026-4717: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9....
CVE-2026-4720: Memory corruption in Mozilla Firefox
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 ...
CVE-2026-4723: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 149....
CVE-2026-4725: Critical Vulnerability in Mozilla Firefox - Immediate Update Required
Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149....