CVE-2017-5392

CVE-2017-5392 affects Firefox for Android. Weak proxy objects hold weak references on multiple threads, causing memory usage issues and potential crashes. Affected: Firefox for Android, Firefox

CVE-2017-5458

CVE-2017-5458 describes a reflected XSS in Firefox where dragging a javascript: URL into the address bar can be executed by the victim. The vulnerability affects Firefox versions prior to 53; the issue arises from insufficient validation of javascript: URLs in the address bar during drag-and-drop...

CVE-2026-7322

CVE-2026-7322 affects Mozilla Firefox: memory safety bugs in Firefox 150.0.0 and Firefox ESR 115.35.0, 140.10.0. Some bugs showed evidence of memory corruption and, with enough effort, could be exploited to run arbitrary code. Affected components include Firefox core/browser memory handling acros...

CVE-2012-1975

CVE-2012-1975 is a Use-after-free vulnerability in PresShell::CompleteMove affecting 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. It potentially allows remote code execution or a denial of serv...

CVE-2013-0782

CVE-2013-0782 is a heap-based buffer overflow in Mozilla’s nsSaveAsCharset::DoCharsetConversion that affects Firefox before 19.0, ESR 17.x before 17.0.3, Thunderbird before 17.0.3, and SeaMonkey before 2.16. The connected documents confirm this vulnerability and show affected components include F...

CVE-2023-37209

Mozilla Firefox CVE-2023-37209 involves a use-after-free in NotifyOnHistoryReload where a freed LoadingSessionHistoryEntry could be referenced later, enabling a potentially exploitable condition. Affected product: Firefox (versions older than 115). Root cause: use-after-free memory issue related ...

CVE-2023-37210

CVE-2023-37210 affects Mozilla Firefox prior to 115, where a website could prevent exiting full-screen mode using alert/prompt, potentially causing user confusion or spoofing. The issue is confirmed in multiple sources and is addressed by updating Firefox to 115 or newer (fix included in Firefox ...

CVE-2025-1943

CVE-2025-1943 covers memory-safety bugs in Mozilla Firefox 135 and Thunderbird 135, affecting Firefox < 136 and Thunderbird

CVE-2025-5265

CVE-2025-5265 concerns Firefox on Windows where the Copy as cURL feature improperly escapes the ampersand, enabling a crafted command to trigger local code execution. The impact is described as potentially allowing arbitrary code execution on the user’s system when the user runs the affected curl...

CVE-2012-1974

CVE-2012-1974 is a use-after-free vulnerability in gfxTextRun::CanBreakLineBefore affecting Mozilla Firefox (and related apps like Thunderbird/SeaMonkey) prior to version 15.0, with remote code execution or a denial of service via unspecified vectors. The connected Nessus entries confirm the CVE ...

CVE-2012-3957

Affected components: Mozilla Firefox before 15.0 (and Firefox ESR 10.x before 10.0.7), Thunderbird before 15.0 (and Thunderbird ESR 10.x before 10.0.7), SeaMonkey before 2.12.** Vulnerability and root cause: Heap-based buffer overflow in nsBlockFrame::MarkLineDirty, enabling remote code execution...

CVE-2025-6436

CVE-2025-6436 relates to memory safety bugs in Firefox 139 and Thunderbird 139 that could allow memory corruption and potentially run arbitrary code. Affected products are Firefox and Thunderbird versions before 140. The Mozilla advisories MFSA2025-54 and MFSA2025-51 describe the nature of the is...

CVE-2025-9179

CVE-2025-9179 describes a memory corruption vulnerability in the GMP process used by Firefox/Thunderbird for encrypted media handling, with privileges that are sandboxed yet could allow total impact (CVE-2025-9179). Affected products include Firefox < 142, Firefox ESR < 115.27/128.14/140.2,...

CVE-2026-12318

CVE-2026-12318 concerns the Mozilla NSS Libraries component. The vulnerability is described as incorrect boundary conditions in the NSS Libraries, with the fixed versions identified as Firefox 152 and Thunderbird 152. Connected sources confirm this fix and cite Firefox/Thunderbird 152 as the reme...

CVE-2012-4208

CVE-2012-4208 affects Mozilla Firefox ≤ prior to 17.0, Thunderbird ≤ prior to 17.0, and SeaMonkey ≤ 2.13/2.14. The XrayWrapper did not consider compartment during property filtering, allowing remote sites to bypass chrome-only restrictions on reading DOM object properties. Impact per description:...

CVE-2023-37205

The vulnerability CVE-2023-37205 affects Mozilla Firefox (and ESR per related advisories) and is caused by the use of RTL Arabic characters in the address bar, which could allow URL spoofing. Affected versions are Firefox before 115. The risk is described in multiple sources, with Mozilla MFSA ad...

CVE-2026-16367

CVE-2026-16367 affects Mozilla Firefox versions earlier than 153.0. The Sandboxing escape is due to an invalid pointer in the Disability Access APIs component, with the vulnerability fixed in Firefox 153. The CVSS v3.1 base score is 10.0 (CRITICAL), with Network attack vector, Low attack complexi...

CVE-2012-4204

The CVE-2012-4204 entry describes a memory-corruption/remote-code-execution vulnerability in Mozilla Firefox’s JavaScript engine (str_unescape) affecting Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14, exploitable via unspecified vectors. Connected documents indicate rela...

CVE-2014-1499

CVE-2014-1499 affects Mozilla Firefox prior to 28.0 and SeaMonkey prior to 2.25. The issue lets a remote attacker spoof the domain in the WebRTC camera or microphone permission prompts by triggering a navigation at a specific moment during prompt generation. This is caused by how the browser hand...

CVE-2013-0759

CVE-2013-0759 affects Mozilla Firefox (and related Mozilla components) prior to version 18.0, Firefox ESR prior to 10.0.12 and 17.0.2, Thunderbird prior to 17.0.2 and ESR prior to 10.0.12/17.0.2, and SeaMonkey prior to 2.15. The vulnerability allows remote attackers to spoof the address bar by ex...

CVE-2016-5298

CVE-2016-5298 affects Firefox for Android (Firefox

CVE-2020-12413

The CVE-2020-12413 case covers a timing attack on DHE ciphersuites in TLS (the Raccoon attack). Affected component is the DHE-based TLS handshake; underlying impact is a potential loss of confidentiality if DHE ciphersuites are used. Mitigation observed in sources: Firefox disabled support for DH...

CVE-2023-6868

CVE-2023-6868 affects Mozilla Firefox on Android. The issue allows a user-agent to send push requests without a valid VAPID even when the push subscription defines one, enabling empty messages to be sent by unauthorized parties. Impact is limited to Firefox

CVE-2025-6425

CVE-2025-6425 concerns a WebCompat WebExtension issue in Firefox/Thunderbird where enumerating resources could obtain a persistent, browser-identifying UUID that remains across containers and normal/private browsing (not in profiles). Affected: Firefox < 140, Firefox ESR < 115.25, Firefox E...

CVE-2026-2757

CVE-2026-2757 (FF/Thunderbird) is confirmed with root cause: incorrect boundary conditions in the WebRTC: Audio/Video component, fixed in Firefox 148, Firefox ESR 115.33/140.8 ESR, Thunderbird 148/140.8. Affected products explicitly include Firefox and Thunderbird lines in multiple advisories (AL...

CVE-2026-6746

This CVE (CVE-2026-6746) is a use-after-free in the DOM: Core & HTML component. The Initial document states it was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. Connected documents also reference Mozilla advisories tying this CVE to Firefox...

CVE-2026-6747

CVE-2026-6747 is a use-after-free vulnerability in the WebRTC component. Technical details across connected advisories show this affects Firefox/Firefox ESR and Thunderbird suites, with fixes applied in Firefox 150 and ESR 140.10, and in Thunderbird 150 (also 140.10). Remediation per the linked a...

CVE-2026-8092

CVE-2026-8092 refers to memory safety bugs in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 (and related Firefox components) with evidence of memory corruption and a potential for arbitrary code execution. The vulnerability was addressed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 11...

CVE-2013-0779

CVE-2013-0779 affects Mozilla Firefox (before 19.0), Thunderbird (before 17.0.3), and SeaMonkey (before 2.16). The issue is in nsCodingStateMachine::NextState, allowing remote attackers to execute arbitrary code or cause a denial of service via an out-of-bounds read. The connected OpenVAS/Nessus ...

CVE-2016-7153

CVE-2016-7153 describes a vulnerability in the HTTP/2 protocol where the TCP congestion window is not considered when determining content length, potentially enabling an attacker to obtain cleartext data by leveraging a web browser configuration that sends third‑party cookies (HEIST). The connect...

CVE-2017-7757

CVE-2017-7757 is a use-after-free vulnerability in IndexedDB that can occur when an IndexedDB object is destroyed while a method on it is executing, potentially causing a crash. Affected products include Firefox versions before 54, Firefox ESR before 52.2, and Thunderbird before 52.2. The issue a...

CVE-2017-7790

CVE-2017-7790 affects the Windows build of Mozilla Firefox prior to 55. The issue arises when non-null-terminated strings are copied into the crash reporter for certain registry keys, causing stack memory to be copied up to a null terminator. This could potentially expose private data from the lo...

CVE-2014-1520

CVE-2014-1520 affects Mozilla Firefox on Windows prior to version 29.0 and Firefox ESR prior to 24.5. The issue is a local privilege escalation by placing a Trojan horse DLL into a temporary directory during the update process of the Mozilla installer, enabling the attacker to gain elevated privi...

CVE-2018-5124

CVE-2018-5124 affects Mozilla Firefox prior to 58.0.1. The issue arises from unsanitized output in the browser UI, where HTML fragments are left intact, enabling arbitrary code execution as described by the MFSA advisory and related references. The vulnerability is tied to sanitization of HTML fr...

CVE-2024-0752

CVE-2024-0752 refers to a use-after-free crash in Mozilla Firefox that could occur on macOS when applying a Firefox update on a very busy system, leading to an exploitable crash. Affected products: Firefox versions earlier than 122. Root cause: use-after-free in the update path on high system loa...

CVE-2026-12289

CVE-2026-12289 describes a privilege-escalation vulnerability in the Graphics: WebRender component. The public description and connected advisories indicate this affects Mozilla Firefox and Thunderbird products, with fixes shipped in: Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbi...

CVE-2011-3002

CVE-2011-3002 concerns Mozilla Firefox (pre-7.0) and SeaMonkey (pre-2.4) where ANGLE does not validate the return value of GrowAtomTable, enabling memory-allocation errors that can cause a crash or potentially allow arbitrary code execution. The vulnerability is triggered by vectors that lead to ...

CVE-2012-5840

CVE-2012-5840 is a Use-after-free vulnerability in Mozilla Firefox’s nsTextEditorState::PrepareEditor, affecting Firefox prior to 17.0, Firefox ESR 10.x prior to 10.0.11, Thunderbird prior to 17.0, Thunderbird ESR 10.x prior to 10.0.11, and SeaMonkey prior to 2.14. The flaw allows remote attacker...

CVE-2025-8030

CVE-2025-8030 is publicly known and tied to an insufficent escaping in the “Copy as cURL” feature that could lead to code execution. The connected Astra Linux and Amazon/Linux advisories confirm the issue affects Firefox and Thunderbird across multiple tracks (e.g., Firefox < 141, Firefox ESR ...

CVE-2012-4182

CVE-2012-4182 is a Use-after-free in Mozilla Firefox’s nsTextEditRules::WillInsert, affecting Firefox <= 16.0 and Firefox ESR <= 10.x <= 10.0.8, Thunderbird <= 16.0 and ESR 10.x <= 10.0.8, and SeaMonkey

CVE-2016-5299

CVE-2016-5299 affects Firefox for Android (Android), where a previously installed malicious app with signature-level permissions can intercept AuthTokens intended for Firefox. The issue is limited to Firefox for Android and does not affect other platforms; vulnerable version is Firefox prior to 5...

CVE-2025-14321

The CVE-2025-14321 entry documents a Use-after-free in the WebRTC: Signaling component affecting Firefox before 146 and Firefox ESR before 140.6, and Thunderbird before 146/140.6. Public advisories (ALAS and Debian S/DLA notes) indicate memory-safety/allocations issues are part of the Firefox/Thu...

CVE-2012-4180

CVE-2012-4180 : A heap-based buffer overflow in the nsHTMLEditor::IsPrevCharInNodeWhitespace function in Mozilla Firefox prior to 16.0 (and Firefox ESR 10.x prior to 10.0.8; Thunderbird prior to 16.0; Thunderbird ESR 10.x prior to 10.0.8; SeaMonkey prior to 2.13) could allow remote code execution...

CVE-2017-7845

CVE-2017-7845 is a concrete vulnerability: a buffer overflow in ANGLE’s Direct3D 9 path used for WebGL rendering can crash the process. It affects Windows, and is listed against Thunderbird < 52.5.2, Firefox ESR < 52.5.2, and Firefox

CVE-2025-4092

The CVE-2025-4092 entry concerns memory safety bugs in Mozilla Firefox 137/Thunderbird 137 that reportedly could be exploited to execute arbitrary code. Affected products are Firefox and Thunderbird versions before 138. Root cause is memory safety/memory corruption in the browser components; Mozi...

CVE-2025-6426

The CVE-2025-6426 issue affects Firefox for macOS where opening files with the terminal extension did not warn the user. Connected advisories confirm affected products and versions: Firefox before 140 and Firefox ESR before 128.12, Thunderbird before 140 and Thunderbird before 128.12. The root ca...

CVE-2025-6430

The CVE-2025-6430 entry affects Firefox and Thunderbird prior to version 140 (and ESR prior to 128.12), where the Content-Disposition header is ignored for files loaded via embed/object, creating a potential cross-site scripting risk. Connected advisories confirm this affects Firefox/Thunderbird ...

CVE-2026-6766

CVE-2026-6766 affects NSS Libraries component. The issue is incorrect boundary conditions in NSS, with fixes landed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. Affected platforms include Firefox/Thunderbird releases; remediation is upgrading to the indicated versi...

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-2025-8027

CVE-2025-8027 describes a 64-bit value handling bug in the Firefox/Thunderbird JavaScript engines: on 64-bit platforms IonMonkey-JIT writes only 32 bits of a 64-bit return value to the stack, while Baseline-JIT reads all 64 bits. This can disclose or mishandle information in the return value spac...