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-2012-0467 [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-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-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-2009-2469 [CRITICAL] CWE-399 CVE-2009-2469: Mozilla Firefox before 3.0.12 does not properly handle an SVG element that has a property with a wat Mozilla Firefox before 3.0.12 does not properly handle an SVG element that has a property with a watch function and an __defineSetter__ function, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted document, related to a certain pointer misinterpretatio

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-2025-5272 [HIGH] CWE-787 CVE-2025-5272: Memory safety bugs present in Firefox 138 and Thunderbird 138. Some of these bugs showed evidence of Memory safety bugs present in Firefox 138 and Thunderbird 138. 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 139 and Thunderbird 139.

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-2013-1718 [CRITICAL] CWE-119 CVE-2013-1718: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 24.0, Firefox E Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 24.0, Firefox ESR 17.x before 17.0.9, Thunderbird before 24.0, Thunderbird ESR 17.x before 17.0.9, 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

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-2017-5436 [HIGH] CWE-787 CVE-2017-5436: An out-of-bounds write in the Graphite 2 library triggered with a maliciously crafted Graphite font. An out-of-bounds write in the Graphite 2 library triggered with a maliciously crafted Graphite font. This results in a potentially exploitable crash. This issue was fixed in the Graphite 2 library as well as Mozilla products. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

CVE-2016-9905 [HIGH] CWE-284 CVE-2016-9905: A potentially exploitable crash in "EnumerateSubDocuments" while adding or removing sub-documents. T A potentially exploitable crash in "EnumerateSubDocuments" while adding or removing sub-documents. This vulnerability affects Firefox ESR < 45.6 and Thunderbird < 45.6.

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-2018-5130 [HIGH] CWE-20 CVE-2018-5130: When packets with a mismatched RTP payload type are sent in WebRTC connections, in some circumstance When packets with a mismatched RTP payload type are sent in WebRTC connections, in some circumstances a potentially exploitable crash is triggered. This vulnerability affects Firefox ESR < 52.7 and Firefox < 59.

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-2016-1954 [HIGH] CWE-264 CVE-2016-1954: The nsCSPContext::SendReports function in dom/security/nsCSPContext.cpp in Mozilla Firefox before 45 The nsCSPContext::SendReports function in dom/security/nsCSPContext.cpp in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not prevent use of a non-HTTP report-uri for a Content Security Policy (CSP) violation report, which allows remote attackers to cause a denial of service (data overwrite) or possibly gain privileges by specifying a