Mozilla Firefox vulnerabilities

CVE-2026-6783 [MEDIUM] CWE-190 CVE-2026-6783: Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnera Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

CVE-2007-3734 [CRITICAL] CVE-2007-3734: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 2.0.0.5 and Thu Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 2.0.0.5 and Thunderbird before 2.0.0.5 allow remote attackers to cause a denial of service (crash) via unspecified vectors that trigger memory corruption.

CVE-2007-3735 [CRITICAL] CVE-2007-3735: Multiple unspecified vulnerabilities in the JavaScript engine in Mozilla Firefox before 2.0.0.5 and Multiple unspecified vulnerabilities in the JavaScript engine in Mozilla Firefox before 2.0.0.5 and Thunderbird before 2.0.0.5 allow remote attackers to cause a denial of service (crash) via unspecified vectors that trigger memory corruption.

CVE-2014-1523 [MEDIUM] CWE-787 CVE-2014-1523: Heap-based buffer overflow in the read_u32 function in Mozilla Firefox before 29.0, Firefox ESR 24.x Heap-based buffer overflow in the read_u32 function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted JPEG image.

CVE-2006-5462 [MEDIUM] CVE-2006-5462: Mozilla Network Security Service (NSS) library before 3.11.3, as used in Mozilla Firefox before 1.5. Mozilla Network Security Service (NSS) library before 3.11.3, as used in Mozilla Firefox before 1.5.0.8, Thunderbird before 1.5.0.8, and SeaMonkey before 1.0.6, when using an RSA key with exponent 3, does not properly handle extra data in a signature, which allows remote attackers to forge signatures for SSL/TLS and email certificates. NOTE: this identifier i

CVE-2014-1577 [MEDIUM] CVE-2014-1577: The mozilla::dom::OscillatorNodeEngine::ComputeCustom function in the Web Audio subsystem in Mozilla The mozilla::dom::OscillatorNodeEngine::ComputeCustom function in the Web Audio subsystem in Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31.x before 31.2 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (out-of-bounds read, memory corruption, and application crash) via an i

CVE-2013-0799 [HIGH] CWE-119 CVE-2013-0799: Buffer overflow in the Mozilla Maintenance Service in Mozilla Firefox before 20.0, Firefox ESR 17.x Buffer overflow in the Mozilla Maintenance Service in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, and Thunderbird ESR 17.x before 17.0.5 on Windows allows local users to gain privileges via crafted arguments.

CVE-2026-113401 Mozilla Foundation Security Advisory 2026-111: CVE-2026-113401 Mozilla Foundation Security Advisory 2026-111 CVE: CVE-2026-113401 Product: Firefox Impact: low Fixed in: Firefox 158.0.1

CVE-2014-8638 [MEDIUM] CWE-352 CVE-2014-8638: The navigator.sendBeacon implementation in Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4 The navigator.sendBeacon implementation in Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 omits the CORS Origin header, which allows remote attackers to bypass intended CORS access-control checks and conduct cross-site request forgery (CSRF) attacks via a crafted web site.

CVE-2013-0791 [MEDIUM] CWE-119 CVE-2013-0791: The CERT_DecodeCertPackage function in Mozilla Network Security Services (NSS), as used in Mozilla F The CERT_DecodeCertPackage function in Mozilla Network Security Services (NSS), as used in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x before 17.0.5, SeaMonkey before 2.17, and other products, allows remote attackers to cause a denial of service (out-of-bounds read and memory corruption)

CVE-2016-5292 [MEDIUM] CWE-20 CVE-2016-5292: During URL parsing, a maliciously crafted URL can cause a potentially exploitable crash. This vulner During URL parsing, a maliciously crafted URL can cause a potentially exploitable crash. This vulnerability affects Firefox < 50.

CVE-2018-5169 [MEDIUM] CWE-20 CVE-2018-5169: If manipulated hyperlinked text with "chrome:" URL contained in it is dragged and dropped on the "ho If manipulated hyperlinked text with "chrome:" URL contained in it is dragged and dropped on the "home" icon, the home page can be reset to include a normally-unlinkable chrome page as one of the home page tabs. This vulnerability affects Firefox < 60.

CVE-2019-17022 [MEDIUM] CWE-79 CVE-2019-17022: When pasting a &lt;style&gt; tag from the clipboard into a rich text editor, the CSS sanitizer does When pasting a tag from the clipboard into a rich text editor, the CSS sanitizer does not escape characters. Because the resulting string is pasted directly into the text node of the element this does not result in a direct injection into the webpage; however, if a webpage subsequently copies the node's innerHTML, assigning it to another innerHTML, th

CVE-2006-3803 [MEDIUM] CVE-2006-3803: Race condition in the JavaScript garbage collection in Mozilla Firefox 1.5 before 1.5.0.5, Thunderbi Race condition in the JavaScript garbage collection in Mozilla Firefox 1.5 before 1.5.0.5, Thunderbird before 1.5.0.5, and SeaMonkey before 1.0.3 might allow remote attackers to execute arbitrary code by causing the garbage collector to delete a temporary variable while it is still being used during the creation of a new Function object.

CVE-2011-2669 [MEDIUM] CWE-295 CVE-2011-2669: Mozilla Firefox prior to 3.6 has a DoS vulnerability due to an issue in the validation of certificat Mozilla Firefox prior to 3.6 has a DoS vulnerability due to an issue in the validation of certificates.

CVE-2023-37456 [MEDIUM] CWE-476 CVE-2023-37456: The session restore helper crashed whenever there was no parameter sent to the message handler. This The session restore helper crashed whenever there was no parameter sent to the message handler. This vulnerability affects Firefox for iOS < 115.

CVE-2021-43543 [MEDIUM] CWE-79 CVE-2021-43543: Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVE-2008-5507 [MEDIUM] CWE-200 CVE-2008-5507: Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMo Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 allow remote attackers to bypass the same origin policy and access portions of data from another domain via a JavaScript URL that redirects to the target resource, which generates an error if the target data does not have JavaScri

CVE-2014-1561 [MEDIUM] CWE-264 CVE-2014-1561: Mozilla Firefox before 31.0 does not properly restrict use of drag-and-drop events to spoof customiz Mozilla Firefox before 31.0 does not properly restrict use of drag-and-drop events to spoof customization events, which allows remote attackers to alter the placement of UI icons via crafted JavaScript code that is encountered during (1) page, (2) panel, or (3) toolbar customization.

CVE-2017-7799 [MEDIUM] CWE-79 CVE-2017-7799: JavaScript in the "about:webrtc" page is not sanitized properly being assigned to "innerHTML". Data JavaScript in the "about:webrtc" page is not sanitized properly being assigned to "innerHTML". Data on this page is supplied by WebRTC usage and is not under third-party control, making this difficult to exploit, but the vulnerability could possibly be used for a cross-site scripting (XSS) attack. This vulnerability affects Firefox < 55.