CVE-2006-2776

CVE-2006-2776 affects Mozilla Firefox and Thunderbird prior to 1.5.0.4. Privileged UI code calls content-defined setters on an object prototype, enabling remote code execution at higher privileges. Impact is remote code execution with web content privileges; mitigation is upgrading Firefox/Thunde...

CVE-2006-2778

CVE-2006-2778 affects Mozilla Firefox and Thunderbird before 1.5.0.4. The crypto.signText function can be triggered by certain optional Certificate Authority name arguments, causing an invalid array index and a buffer overflow. This may allow remote code execution. The entry’s CVSS v2 base score ...

CVE-2006-3807

CVE-2006-3807 describes a privilege-escalation vulnerability in Mozilla Firefox (pre-1.5.0.5), Thunderbird (pre-1.5.0.5), and SeaMonkey (pre-1.0.3). The issue arises when the standard Object() constructor is redefined by script, allowing named JavaScript functions to reference a privileged parent...

CVE-2006-5747

CVE-2006-5747 affects Mozilla Firefox <=1.5.0.7/8, Thunderbird <=1.5.0.7/8, and SeaMonkey

CVE-2008-2799

CVE-2008-2799 pertains to multiple unpatched JavaScript engine flaws in Mozilla Firefox (pre-2.0.0.15), Thunderbird (pre-2.0.0.14 and earlier), and SeaMonkey (pre-1.1.10). The vulnerabilities allow a remote attacker to cause a crash and potentially execute arbitrary code via unknown vectors relat...

CVE-2008-4058

CVE-2008-4058 affects Mozilla-based products (Firefox, SeaMonkey, Thunderbird) where XPConnect could be abused to pollute XPCNativeWrappers via chrome XBL/chrome JS, enabling remote arbitrary-code execution with chrome privileges. Publicly documented affected ranges include Firefox before 2.0.0.1...

CVE-2008-5500

CVE-2008-5500 affects Mozilla Firefox 3.x before 3.0.5 and Firefox 2.x before 2.0.0.19, Mozilla Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14. The vulnerability arises from the layout engine when processing malformed content, allowing a remote attacker to cause a denial of serv...

CVE-2010-2763

CVE-2010-2763 concerns the XPCSafeJSObjectWrapper (SJOW) in Mozilla’s Firefox/XULRunner implementation. The connected documents confirm a logical error in the SJOW scripted function handling on the Mozilla 1.9.1 development branch, allowing a caller to execute a function in the context of another...

CVE-2011-3670

CVE-2011-3670 affects Firefox prior to 3.6.26 and 4.x–6.0, Thunderbird prior to 3.1.18 and 5.0–6.0, and SeaMonkey prior to 2.4. The issue: improper enforcement of IPv6 literal address syntax, allowing remote attackers to cause information disclosure by reading error messages from XMLHttpRequest c...

CVE-2012-4215

CVE-2012-4215 is a use-after-free in Mozilla Firefox’s nsPlaintextEditor::FireClipboardEvent that could allow remote code execution or a heap memory corruption, affecting Firefox before 17.0, Firefox ESR before 10.0.11, Thunderbird before 17.0, Thunderbird ESR before 10.0.11, and SeaMonkey before...

CVE-2012-5833

CVE-2012-5833 concerns WebGL texImage2D handling in Mozilla Firefox (and related Gecko-based products) that interacts with Mesa drivers. The vulnerability can allow remote code execution or a denial of service (memory corruption) via certain level parameter values. Affected versions include Firef...

CVE-2013-1719

CVE-2013-1719 affects Mozilla Firefox (<24.0), Thunderbird (<24.0), and SeaMonkey (

CVE-2025-5262

A double-free vulnerability exists in the libvpx encoder within the vpx_codec_enc_init_multi function. The issue occurs after a failed allocation when initializing the encoder for WebRTC , potentially leading to memory corruption and an exploitable crash. This vulnerability affects Thunderbird ve...

CVE-2026-6779

The JavaScript Engine component in Mozilla Firefox and the Thunderbird email client is vulnerable to an issue caused by insufficient validation of input data . This security flaw could allow an attacker to compromise the confidentiality of protected information . The vulnerability has been addres...

CVE-2007-5339

CVE-2007-5339 is in Mozilla Firefox (pre-2.0.0.8), Mozilla Thunderbird (pre-2.0.0.8) and SeaMonkey (pre-1.1.5). The flaws arise from crafted HTML triggering memory corruption or assert errors, leading to remote denial of service (crash); some entries also indicate potential arbitrary code executi...

CVE-2008-5510

CVE-2008-5510 concerns the CSS parser in Mozilla Firefox (3.x up to 3.0.5 and 2.x up to 2.0.0.19), Thunderbird 2.x up to 2.0.0.19, and SeaMonkey 1.x up to 1.1.14, where the escaped null character (\0) is ignored, potentially allowing remote attackers to bypass sanitization protections. The descri...

CVE-2011-2376

CVE-2011-2376 affects Mozilla Firefox before 3.6.18 and Thunderbird before 3.1.11. The vulnerability is in the browser engine, described as unspecified, with memory corruption that can cause a denial of service or an eventual arbitrary code execution via unknown vectors, potentially crashing the ...

CVE-2011-2981

The CVE-2011-2981 issue affects Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and related products. Root cause: the event-management implementation does not correctly choose the proper script context, allowing remote attackers to bypass the Same Origin Policy or run...

CVE-2012-5835

CVE-2012-5835 describes an integer overflow in the WebGL subsystem of Mozilla Firefox prior to 17.0 (also affecting Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0 and Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14). The overflow can lead to remote code execution or a den...

CVE-2026-12311

A vulnerability in the Security: Process Sandboxing component of Mozilla Firefox and Mozilla Thunderbird allows for information disclosure and a sandbox escape . This issue has been addressed in Firefox 152 , Firefox ESR 140.12 , Thunderbird 152 , and Thunderbird 140.12 . No specific exploit deta...

CVE-2026-6768

The Mozilla Firefox web browser and Mozilla Thunderbird email client are affected by a vulnerability in the Networking: Cookies component. This flaw allows for a mitigation bypass , where an attacker can bypass authentication by utilizing an alternative path or channel. Exploitation of this vulne...

CVE-2026-74946

A privilege escalation vulnerability exists in the Graphics: CanvasWebGL component of Mozilla Firefox and Thunderbird due to incorrect boundary conditions . Impacting multiple versions, the vulnerability was addressed in Firefox 154 , Firefox ESR 115.39 , Firefox ESR 140.14 , Firefox ESR 153.1 , ...

CVE-2026-74979

Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

CVE-2006-1738

CVE-2006-1738 affects Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0. The vulnerability allows a remote attacker to cause a crash (DoS) by altering the (1) -moz-grid and (2) -moz-grid-group display styles. Root cause is...

CVE-2008-2802

The CVE-2008-2802 entry affects Mozilla Firefox <= 2.0.0.14/2.0.0.15? and earlier Thunderbird 2.0.0.14 and SeaMonkey

CVE-2008-4061

CVE-2008-4061: An integer overflow in the MathML component of Mozilla Firefox can be triggered by an mtd element with a large rowspan value. Affects Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12. Impact: remote memory corruption, denial of ...

CVE-2008-5022

CVE-2008-5022 affects multiple Mozilla-based browsers: nsXMLHttpRequest::NotifyEventListeners in Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13. Root cause: bypass of the same-origin policy due to bypassed inner window check...

CVE-2012-0462

CVE-2012-0462 describes multiple unspecified vulnerabilities in Mozilla Firefox’s browser engine (Firefox 4.x–10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0–10.0, Thunderbird ESR 10.x before 10.0.3, SeaMonkey before 2.8) that can cause denial of service (memory corruption and crash) or pos...

CVE-2012-4193

CVE-2012-4193 affects Mozilla Firefox and related Mozilla products (Firefox before 16.0.1, Firefox ESR before 10.0.9, Thunderbird before 16.0.1, Thunderbird ESR before 10.0.9, SeaMonkey before 2.13.1). Root cause: a security check in the defaultValue unwrapping of security wrappers is omitted, al...

CVE-2012-5838

CVE-2012-5838 affects the WebGL copyTexImage2D in Mozilla Firefox (<17.0), Thunderbird (<17.0), and SeaMonkey (

CVE-2013-0771

CVE-2013-0771 describes a heap-based buffer overflow in Mozilla Firefox’s gfxTextRun::ShrinkToLigatureBoundaries, affecting Firefox before 18.0 (and ESR 17.x before 17.0.1), Thunderbird before 17.0.2 (and ESR 17.x before 17.0.1), and SeaMonkey before 2.15. Successful exploitation via a crafted do...

CVE-2013-5601

CVE-2013-5601 is a use-after-free in Mozilla Firefox’s nsEventListenerManager::SetEventHandler that could allow remote code execution. Affected products and versions include Firefox before 25.0, Firefox ESR 17.x before 17.0.10 and 24.x before 24.1, Thunderbird before 24.1 and ESR 17.x before 17.0...

CVE-2026-2765

CVE-2026-2765 is a memory-safety issue described in the connected Astra/Amazon advisories as a use-after-free in the JavaScript Engine component. Affected products include Firefox (and ESR) and Thunderbird, with fixed versions noted as Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderb...

CVE-2026-74952

CVE-2026-74952 is a privilege escalation vulnerability affecting the Application Update component of Mozilla Thunderbird ESR and Mozilla Firefox . The flaw allows attackers to bypass security restrictions. Remediation is available in Thunderbird 153.2 , Firefox 154 , Firefox ESR 153.2 , and Thund...

CVE-2004-0904

CVE-2004-0904 : Integer overflow in the BMP decoder can trigger heap-based buffer overflows, enabling remote code execution. Affected products are Mozilla Firefox before the Preview Release, Mozilla before 1.7.3, and Thunderbird before 0.8. Remediation is to apply fixes/updates released after the...

CVE-2006-0749

CVE-2006-0749 affects Mozilla Firefox and Thunderbird (Firefox/Thunderbird 1.x before 1.5 and Mozilla Suite before 1.7.13; SeaMonkey before 1.0.8). The issue is a memory corruption triggered by a particular sequence of HTML tags, leading to memory corruption, a remote crash, and possibly arbitrar...

CVE-2006-5463

CVE-2006-5463 affects Mozilla Firefox (before 1.5.0.8), Thunderbird (before 1.5.0.8), and SeaMonkey (before 1.0.6). The vulnerability arises from modifying a Script object while it is executing, which could allow remote attackers to execute arbitrary JavaScript bytecode. Exploitation could enable...

CVE-2008-1234

This CVE-2008-1234 relates to an XSS vulnerability in Mozilla components: Firefox < 2.0.0.13, Thunderbird < 2.0.0.13, and SeaMonkey

CVE-2009-1838

CVE-2009-1838 affects Mozilla Firefox (pre-3.0.11), Thunderbird (pre-2.0.0.22), and SeaMonkey (pre-1.1.17). The garbage-collection implementation can set an element’s owner document to null under unspecified circumstances, due to an incorrect event-handler context. This allows remote attackers to...

CVE-2010-0175

CVE-2010-0175 is a use-after-free in the nsTreeSelection code path for XUL tree items, affecting Mozilla Firefox before 3.0.19 and 3.5.x before 3.5.9, Thunderbird before 3.0.4, and SeaMonkey before 2.0.4. Exploitation could allow remote code execution or cause a crash via triggering the select ev...

CVE-2011-2364

CVE-2011-2364 relates to an unspecified vulnerability in the browser engine of Mozilla Firefox 3.6.x before 3.6.18 and Thunderbird before 3.1.11. The issue can cause a denial of service via memory corruption and may allow arbitrary code execution. Affected products are Firefox up to 3.6.17 and Th...

CVE-2012-3956

CVE-2012-3956 is a use-after-free in MediaStreamGraphThreadRunnable::Run in Mozilla Firefox before 15.0 (and similar affected versions for Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0/ESR 10.x before 10.0.7, SeaMonkey before 2.12). Successful exploitation could allow remote attackers t...

CVE-2026-16371

A privilege escalation vulnerability exists in the DOM: Navigation component of the Mozilla Firefox web browser and Thunderbird mail client. This flaw allows for potential unauthorized privilege gains within the browser environment. The vulnerability has been addressed in Firefox 153 , Firefox ES...

CVE-2026-6764

Mozilla Firefox and the Thunderbird email client are vulnerable to incorrect boundary conditions within the DOM: Device Interfaces component. This flaw can allow a remote attacker to compromise the integrity and accessibility of protected information. The issue has been addressed in Firefox 150 ,...

CVE-2026-74950

Privilege escalation in the Downloads API component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

CVE-2006-4570

CVE-2006-4570 affects Mozilla Thunderbird and SeaMonkey. With Load Images enabled, a remote XBL file loaded when viewing/forwarding/replying to a message can bypass the user’s JavaScript-disabled settings, enabling remote JavaScript execution. Affected versions in public advisories are Thunderbir...

CVE-2008-5512

CVE-2008-5512 affects Mozilla Firefox 3.x before 3.0.5 and Firefox/Thunderbird/SeaMonkey lines older than the cited versions; severity details align with NFV advisories. The vulnerability arises from a flaw in how page content can pollute XPCNativeWrappers, permitting remote attackers to run arbi...

CVE-2011-0062

This CVE (CVE-2011-0062) affects Mozilla Firefox 3.6.x before 3.6.14 and Thunderbird 3.1.x before 3.1.8, per the Initial Description. It arises from multiple unspecified vulnerabilities in the browser engine that can cause memory corruption and application crash (DoS) or potentially allow arbitra...

CVE-2011-2365

CVE-2011-2365 involves an unspecified vulnerability in the browser engine of Mozilla Firefox 3.6.x (pre-3.6.18) and Thunderbird before 3.1.11. Exploitation could cause a denial of service (memory corruption and application crash) or, in some cases, allow arbitrary code execution via unknown vecto...

CVE-2012-0468

CVE-2012-0468 affects Mozilla Firefox 4.x–11.0, Thunderbird 5.0–11.0, and SeaMonkey before 2.9. The browser engine’s vulnerability is tied to vectors related to jsval.h and the js::array_shift function, leading to a potential denial of service (assertion failure and memory corruption) and possibl...