Mozilla Firefox vulnerabilities

CVE-2026-8947 [HIGH] CWE-416 CVE-2026-8947: Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

CVE-2012-1962 [CRITICAL] CWE-399 CVE-2012-1962: Use-after-free vulnerability in the JSDependentString::undepend function in Mozilla Firefox 4.x thro Use-after-free vulnerability in the JSDependentString::undepend function in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via vecto

CVE-2025-14325 [HIGH] CWE-843 CVE-2025-14325: JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

CVE-2014-1562 [CRITICAL] CWE-119 CVE-2014-1562: Unspecified vulnerability in the browser engine in Mozilla Firefox before 32.0, Firefox ESR 24.x bef Unspecified vulnerability in the browser engine in Mozilla Firefox before 32.0, Firefox ESR 24.x before 24.8 and 31.x before 31.1, and Thunderbird 24.x before 24.8 and 31.x before 31.1 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

CVE-2026-8090 [HIGH] CWE-416 CVE-2026-8090: Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Fi Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.

CVE-2012-1970 [CRITICAL] CWE-119 CVE-2012-1970: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 15.0, Firefox E Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown

CVE-2026-6752 [HIGH] CWE-119 CVE-2026-6752: Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

CVE-2012-0467 [CRITICAL] CVE-2012-0467: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 11.0, Fire Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown

CVE-2011-2374 [CRITICAL] CVE-2011-2374: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.18 and 4.x Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, and Thunderbird before 3.1.11, allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

CVE-2019-17024 [HIGH] CWE-787 CVE-2019-17024: Mozilla developers reported memory safety bugs present in Firefox 71 and Firefox ESR 68.3. Some of t Mozilla developers reported memory safety bugs present in Firefox 71 and Firefox ESR 68.3. 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 ESR < 68.4 and Firefox < 72.

CVE-2013-1719 [CRITICAL] CWE-119 CVE-2013-1719: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 24.0, Thunderbi Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 24.0, Thunderbird before 24.0, and SeaMonkey before 2.21 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

CVE-2009-2467 [CRITICAL] CVE-2009-2467: Mozilla Firefox before 3.0.12 and 3.5 before 3.5.1 allows remote attackers to cause a denial of serv Mozilla Firefox before 3.0.12 and 3.5 before 3.5.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors involving a Flash object, a slow script dialog, and the unloading of the Flash plugin, which triggers attempted use of a deleted object.

CVE-2006-0496 [MEDIUM] CVE-2006-0496: Cross-site scripting (XSS) vulnerability in Mozilla 1.7.12 and possibly earlier, Mozilla Firefox 1.0 Cross-site scripting (XSS) vulnerability in Mozilla 1.7.12 and possibly earlier, Mozilla Firefox 1.0.7 and possibly earlier, and Netscape 8.1 and possibly earlier, allows remote attackers to inject arbitrary web script or HTML via the -moz-binding (Cascading Style Sheets) CSS property, which does not require that the style sheet have the same origin as the we

CVE-2013-1683 [CRITICAL] CVE-2013-1683: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 22.0 allow remo Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 22.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

CVE-2013-1702 [CRITICAL] CVE-2013-1702: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 23.0 and SeaMon Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 23.0 and SeaMonkey before 2.20 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

CVE-2013-1669 [CRITICAL] CVE-2013-1669: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 21.0 allow remo Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 21.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

CVE-2018-12389 [HIGH] CWE-119 CVE-2018-12389: Mozilla developers and community members reported memory safety bugs present in Firefox ESR 60.2. So Mozilla developers and community members reported memory safety bugs present in Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox ESR < 60.3 and Thunderbird < 60.3.

CVE-2026-109737 Mozilla Foundation Security Advisory 2026-106: CVE-2026-109737 Mozilla Foundation Security Advisory 2026-106 CVE: CVE-2026-109737 Product: Firefox Impact: low Fixed in: Firefox 158

CVE-2026-109766 Mozilla Foundation Security Advisory 2026-106: CVE-2026-109766 Mozilla Foundation Security Advisory 2026-106 CVE: CVE-2026-109766 Product: Firefox Impact: low Fixed in: Firefox 158

CVE-2026-109760 Mozilla Foundation Security Advisory 2026-106: CVE-2026-109760 Mozilla Foundation Security Advisory 2026-106 CVE: CVE-2026-109760 Product: Firefox Impact: low Fixed in: Firefox 158