CVE-2005-2263

CVE-2005-2263 affects Firefox (before 1.0.5) and Mozilla (before 1.7.9). The issue arises in InstallTrigger.install: forcing a page navigation after the install method is called causes a callback to be executed in the context of the new page, resulting in a same-origin violation. This means a rem...

CVE-2005-2268

CVE-2005-2268 affects Firefox up to 1.0.4 and Mozilla up to 1.7.8 (before 1.0.5/1.7.9) where Javascript dialogs were not clearly tied to the originating web page, enabling spoofing of dialog boxes from trusted sites and facilitating phishing attacks. The issue arises from the dialog origin not be...

CVE-2006-1723

CVE-2006-1723 affects Firefox and Thunderbird prior to 1.5.0.2, and SeaMonkey prior to 1.0.1. The issue is described as an unspecified vulnerability that can cause a remote denial of service (crash) and possibly arbitrary code execution via unknown DHTML attack vectors. The initial document does ...

CVE-2006-1729

CVE-2006-1729 affects Mozilla Firefox 1.x (before 1.5.0.2) and 1.0.x (before 1.0.8), Mozilla Suite before 1.7.13, and SeaMonkey before 1.0.1. The vulnerability lets remote attackers read arbitrary files by abusing input controls: (1) insert the target filename into a text box and convert that box...

CVE-2006-2780

The CVE-2006-2780 entry affects Mozilla Firefox and Thunderbird prior to 1.5.0.4. The issue is an integer overflow in the jsstr tagify path, leading to memory corruption that can cause a remote denial of service (crash) and possibly arbitrary code execution. The vulnerability is assessed with a h...

CVE-2007-2867

CVE-2007-2867 involves multiple Mozilla components (Firefox 1.5.x before 1.5.0.12 and Firefox 2.x before 2.0.0.4, Thunderbird 1.5.x before 1.5.0.12 and 2.x before 2.0.0.4, SeaMonkey 1.0.9 and 1.1.2). The issue is described as memory-related vulnerabilities (dangling pointers, heap corruption, sig...

CVE-2007-4879

CVE-2007-4879 affects Mozilla Firefox up to 2.0.0.12 (prior to 2.0.0.13) and SeaMonkey up to 1.1.8/1.1.9, allowing automatic TLS client certificate installation with minimal user interaction and automatic certificate presentation when requested. This enables cross-domain user tracking via TLS cli...

CVE-2008-5715

CVE-2008-5715 affects Mozilla Firefox (notably around Firefox 3.0.5 on Windows Vista). The issue arises from JavaScript code manipulating the location.hash via an unusually long string, enabling remote attackers to cause a denial of service through an application crash, CPU consumption or hang. C...

CVE-2009-0353

CVE-2009-0353 affects Mozilla components: Firefox 3.x before 3.0.6, Thunderbird before 2.0.0.21, and SeaMonkey before 1.1.15. The vulnerability is related to the JavaScript engine and can allow a remote attacker to cause memory corruption and an application crash, potentially leading to arbitrary...

CVE-2009-1835

CVE-2009-1835 affects Mozilla Firefox (pre-3.0.11) and SeaMonkey (pre-1.1.17). A URL containing file:// at the start can cause the browser to associate local documents with external domain names located after the file:// substring, allowing a user-assisted remote attacker to read arbitrary cookie...

CVE-2012-1942

CVE-2012-1942 affects Mozilla Firefox 12.0, Thunderbird 12.0 and SeaMonkey 2.9 on Windows. The root cause is the Mozilla/Windows Updater Service loading a DLL in a privileged context, enabling a local user to gain privileges by placing a malicious DLL in a privileged path before updater execution...

CVE-2013-1726

CVE-2013-1726 affects Mozilla Updater in 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. The issue is failure to ensure exclusive access to a MAR file, allowing a local attacker to gain privileges by plac...

CVE-2014-1519

CVE-2014-1519 refers to multiple vulnerabilities in Mozilla Firefox (browser engine) prior to 29.0 and SeaMonkey prior to 2.26. The core issue is memory corruption that can cause a denial of service or possibly allow arbitrary code execution via unknown vectors. The connected documents corroborat...

CVE-2016-1969

CVE-2016-1969 affects Graphite 2 before 1.3.6, used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.6.1. The issue allows remote attackers to cause a denial of service (out-of-bounds write) or potentially other impacts via a crafted Graphite font. remediation details in the provided...

CVE-2025-5272

Mozilla Firefox and Thunderbird versions prior to 139 (specifically version 138) are affected by memory safety bugs . These vulnerabilities involve memory corruption, which could potentially allow an attacker to execute arbitrary code with sufficient effort. The issue is mitigated by updating to ...

CVE-2025-9184

The CVE-2025-9184 entry concerns memory safety bugs in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141, and Thunderbird 141, with evidence of memory corruption that could potentially allow arbitrary code execution. Affected products include Firefox < 142, Firefox ESR < 140.2, Thunderb...

CVE-2026-6755

The Mozilla Firefox web browser and Mozilla Thunderbird email client are affected by a mitigation bypass in the DOM: postMessage component. This vulnerability allows a malicious actor to remotely trigger a service failure . The issue has been resolved in Firefox 150 and Thunderbird 150 . Exploita...

CVE-2026-8945

Mozilla Firefox and Firefox Focus for Android versions prior to 151.0 are vulnerable to a sandbox escape issue. This security flaw allows an attacker to bypass security restrictions and violate data protection mechanisms, potentially compromising the confidentiality, integrity, and accessibility ...

CVE-2005-0141

CVE-2005-0141 affects Firefox < 1.0 and Mozilla

CVE-2005-0399

CVE-2005-0399 describes a heap-based buffer overflow in GIF2.cpp used by Firefox (before 1.0.2), Mozilla (before 1.7.6), Thunderbird (before 1.0.2), and other apps sharing the same library. The vulnerability is triggered by a crafted GIF image containing a Netscape extension 2 block, allowing rem...

CVE-2006-1724

CVE-2006-1724 affects Firefox and Thunderbird before 1.5.0.2, 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0.1. It is an unspecified vulnerability related to DHTML that can cause a denial of service (crash) and possibly remote code execution. The initial document does n...

CVE-2006-2723

Technical details about CVE-2006-2723 are not publicly available in the provided documents. Monitor for updates.

CVE-2006-2783

Technical details for CVE-2006-2783 are not publicly provided in the supplied documents. Monitor for updates.

CVE-2008-1235

CVE-2008-1235 affects Mozilla Firefox <2.0.0.13, Thunderbird <2.0.0.13, and SeaMonkey

CVE-2008-4068

CVE-2008-4068 is a directory-traversal vulnerability in Mozilla Firefox (pre-2.0.0.17 and 3.x pre-3.0.2), Thunderbird (pre-2.0.0.17), and SeaMonkey (pre-1.1.12) triggered by crafted resource: URIs. The flaw lets remote attackers bypass local HTML restrictions, read sensitive information, and prom...

CVE-2009-2464

The CVE-2009-2464 issue affects Mozilla Firefox before 3.0.12, SeaMonkey 2.0a1pre, and Thunderbird, where nsXULTemplateQueryProcessorRDF::CheckIsSeparator can be exploited via loading multiple RDF files in a XUL tree to cause memory corruption and potential code execution, leading to DoS or crash...

CVE-2010-0167

CVE-2010-0167 affects Mozilla Firefox and related Mozilla products (Firefox 3.0.x before 3.0.18, 3.5.x before 3.5.8, 3.6.x before 3.6.2; Thunderbird before 3.0.2; SeaMonkey before 2.0.3). The issue is a remote memory corruption vulnerability in the browser engine, tied to layout/nsBlockFrame.cpp ...

CVE-2011-2985

CVE-2011-2985 affects Mozilla Firefox 4.x–5, Thunderbird before 6, and SeaMonkey 2.x before 2.3. The issue is described as memory corruption/memory safety hazards in the browser engine that could cause a crash or remote code execution via unspecified vectors. Connected documents corroborate invol...

CVE-2012-1953

CVE-2012-1953 affects Mozilla Firefox 4.x–13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0–13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11. The ElementAnimations::EnsureStyleRuleFor function can cause denial of service (buffer over-read, incorrect pointer dereference, hea...

CVE-2013-0784

CVE-2013-0784 is one of multiple memory-safety vulnerabilities affecting Mozilla Firefox, Thunderbird, and SeaMonkey. The connected advisories (Ubuntu USN-1729-2 and related GLSA/Nessus entries) document memory corruption risks that could lead to denial of service or potentially arbitrary code ex...

CVE-2025-23109

The Mozilla Firefox browser for iOS is affected by a vulnerability where long hostnames in URLs can be leveraged to obscure the actual host of a website or spoof the website address . Specifically, opening JavaScript links in a new tab via long-press in the Firefox iOS client could allow a malici...

CVE-2025-4088

A security vulnerability in Mozilla Firefox and the Thunderbird email client allows malicious websites to use redirects to send credentialed requests to arbitrary endpoints. This occurs on any site that has invoked the Storage Access API , enabling potential Cross-Site Request Forgery (CSRF) atta...

CVE-2026-12327

Memory safety bugs exist in Firefox ESR 140.11 , Thunderbird ESR 140.11 , Firefox 151 , and Thunderbird 151 . These vulnerabilities involved memory corruption , which could potentially be exploited with sufficient effort to execute arbitrary code . The issues have been addressed in the following ...

CVE-2026-6763

A mitigation bypass exists in the File Handling component of Mozilla Firefox and the Thunderbird email client. This vulnerability allows an attacker to circumvent existing security restrictions remotely due to a violation of data protection mechanisms. The issue is fixed in Firefox 150 , Firefox ...

CVE-2026-74983

Mitigation bypass in the Data Loss Prevention component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

CVE-2026-84134

This vulnerability affects the Profile Backup component in Mozilla Firefox and Mozilla Thunderbird . The root cause is described as an other issue within that specific component. Impact details are not explicitly provided in the documents, but the severity is rated as CRITICAL (CVSS 3.1 score of ...

CVE-2026-84137

CVE-2026-84137 involves a spoofing issue within the DOM: Core & HTML component . This vulnerability affects Mozilla Firefox and Mozilla Thunderbird . The issue has been addressed in Firefox 155 , Firefox ESR 153.2 , Thunderbird 155 , and Thunderbird 153.2 . No specific exploit details or remote e...

CVE-2026-84143

CVE-2026-84143 covers internally found bugs in Thunderbird 154 , Thunderbird ESR 153.1 , and Thunderbird ESR 140.14 , some showing evidence of memory corruption or other security-relevant defects. Mozilla presumes some could have been exploited with enough effort, but no confirmed in-the-wild exp...

CVE-2004-0867

CVE-2004-0867 affects Mozilla Firefox 0.9.2 by allowing websites to set cookies for country-specific top‑level domains (e.g., .ltd.uk, .plc.uk, .sch.uk), which could enable a session‑fixation attack and session hijack. The note indicates 2.x may also be affected. Technical details in the provided...

CVE-2006-1529

CVE-2006-1529 affects Firefox and Thunderbird up to versions prior to 1.5.0.2 and SeaMonkey up to 1.0.1, with exploitation possible via DHTML. The entry notes no public details as of 2006-04-13, and exact attack vectors, root cause, and fix status are not fully disclosed in the provided documents...

CVE-2006-1531

CVE-2006-1531 concerns an unspecified vulnerability in Firefox and Thunderbird prior to 1.5.0.2 and SeaMonkey prior to 1.0.1 that could allow a remote attacker to cause a denial of service (crash) and possibly execute arbitrary code via unknown DHTML-related attack vectors. Public vendor details ...

CVE-2007-1362

CVE-2007-1362 affects Mozilla Firefox 1.5.x prior to 1.5.0.12 and 2.x prior to 2.0.0.4, and SeaMonkey 1.0.9/1.1.2, enabling a remote attacker to trigger a denial of service via cookie path issues: either a very large cookie path parameter causing memory consumption or an internal delimiter in coo...

CVE-2007-5960

CVE-2007-5960 affects SeaMonkey (and Firefox) where the Referer header is set to the script window/frame instead of the content initiator, enabling spoofing of Referer-based CSRF protections. The vulnerability arises from a race condition when window.location is set, potentially causing a CSRF at...

CVE-2008-3836

CVE-2008-3836 affects Mozilla Firefox prior to 2.0.0.17. The vulnerability exists in feedWriter and allows remote attackers to run scripts with chrome privileges through feed preview-related vectors, specifically via functions elem.doCommand, elem.dispatchEvent, _setTitleText, _setTitleImage, and...

CVE-2008-5501

CVE-2008-5501 affects Mozilla’s web components used by Firefox 3.x (before 3.0.5), Thunderbird 2.x (before 2.0.0.19), and SeaMonkey 1.x (before 1.1.14). The vulnerability arises from the layout engine, where certain inputs can trigger an assertion failure, leading to a denial of service. Exploita...

CVE-2010-2751

Summary: CVE-2010-2751 affects Mozilla Firefox (3.5.x before 3.5.11; 3.6.x before 3.6.7) and SeaMonkey (before 2.0.6). The issue arises in nsDocShell::OnRedirectStateChange, where a sequence of redirects plus history.back/history.forward can cause a document’s SSL security status to be spoofed to...

CVE-2014-1551

CVE-2014-1551 is a concrete use-after-free vulnerability in Mozilla Firefox’s FontTableRec destructor that can be triggered by crafted fonts in MathML content. Root cause: improper handling of a DirectWrite font-face object, allowing remote attackers to execute arbitrary code. Affected products/v...

CVE-2015-7219

CVE-2015-7219 affects Mozilla Firefox before 43.0 via the HTTP/2 implementation. A malformed PushPromise frame can trigger decompressed-buffer length miscalculation and incorrect memory allocation, leading to a denial of service (integer underflow, assertion failure, and application exit). The is...

CVE-2021-4128

The CVE-2021-4128 entry describes a macOS-specific Firefox vulnerability where a graphics object isn’t properly protected when entering/exiting fullscreen, causing memory corruption and a potentially exploitable crash. Affected product: Mozilla Firefox on macOS (Firefox versions earlier than 95)....

CVE-2021-43531

CVE-2021-43531 affects Firefox prior to version 94. The issue arises when a Web Extension loads a context menu and could access the post-redirect URL of the clicked element if it lacked WebRequest permissions for the involved hosts, causing a same-origin-violation that leaks data the extension wo...