CVE-2024-6607

CVE-2024-6607 affects Mozilla Firefox (pre-128) and Mozilla Thunderbird (pre-128). The issue allows a user flow disruption where a user can be prevented from exiting pointerlock by pressing Escape and can overlay customValidity notifications from a element over permission prompts, potentially co...

CVE-2019-11717

CVE-2019-11717 affects Firefox ESR <60.8, Firefox <68, and Thunderbird

CVE-2019-11742

CVE-2019-11742 describes a same-origin policy violation enabling theft of cross-origin images via a combination of SVG filters and a element, due to an error in how cached image content is treated. Affected: Firefox versions before 69, Thunderbird before 68.1 (and before 60.9 for ESR branches), ...

CVE-2019-9795

CVE-2019-9795 describes a vulnerability in the IonMonkey JIT compiler where a type-confusion could be exploited by malicious JavaScript to trigger a crash. Public references indicate affected products include Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox

CVE-2021-29984

CVE-2021-29984 involves instruction reordering that allowed a GC-related object misevaluation, causing memory corruption and potentially exploitable crashes in Mozilla components. Affected products include Thunderbird and Firefox ESR/Firefox releases prior to 78.13/91; the exploit would require m...

CVE-2024-5687

CVE-2024-5687 affects Mozilla Firefox for Android (Firefox

CVE-2024-5692

The CVE-2024-5692 entry affects Mozilla Firefox and Thunderbird on Windows 10, where the Save As flow could bypass filename extension restrictions by including an invalid character in the extension, enabling saving with a disallowed extension like .url. Connected Mozilla advisories (MFSA) corrobo...

CVE-2024-6614

CVE-2024-6614 impacts Mozilla Firefox and Thunderbird before version 128, where the frame iterator could loop when processing certain wasm frames, causing incorrect stack traces. The issue, confirmed in Mozilla advisories, is addressed by upgrading to the 128.* release series (Firefox 128 / Thund...

CVE-2025-0240

CVE-2025-0240 affects Mozilla Firefox and Thunderbird (Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, Thunderbird

CVE-2020-12392

CVE-2020-12392 is a local vulnerability in Mozilla products where the “Copy as cURL” feature in DevTools network tab could improperly escape HTTP POST data, enabling potential arbitrary local file disclosure when the generated curl command is pasted and run. Affected are Firefox ESR < 68.8, Fi...

CVE-2021-38504

The CVE-2021-38504 issue is a real vulnerability affecting Firefox < 94, Thunderbird < 91.3, and Firefox ESR

CVE-2024-11693

The CVE-2024-11693 issue is a Windows-only vulnerability in Mozilla Firefox/Thunderbird where the executable warning was not shown when downloading .library-ms files. Affected products and versions are Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird

CVE-2024-8383

CVE-2024-8383 affects Mozilla Firefox and Firefox ESR. The issue arises when Firefox asks the OS to handle a scheme the browser doesn’t support and doesn’t prompt for confirmation for Usenet-related schemes (news: and snews:). This could allow a malicious webpage or downloaded application to regi...

CVE-2024-8385

CVE-2024-8385 is a WASM type confusion vulnerability caused by how StructFields and ArrayTypes are handled. Affects Firefox (versions before 130) and Firefox ESR (before 128.2) and Thunderbird (before 128.2). Exploitation could lead to high-impact outcomes per the CVE. Remediation in the public d...

CVE-2019-11733

CVE-2019-11733 affects Firefox before 68.0.2 (and ESR before 68.0.2). When a master password is set, stored passwords in the Saved Logins dialog could be copied to the clipboard via the copy password action without re-entering the master password in the same session, enabling potential theft of s...

CVE-2019-17008

CVE-2019-17008 describes a use-after-free vulnerability that can occur during the destruction of nested workers, leading to a potentially exploitable crash. Affected products include Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox

CVE-2025-0239

CVE-2025-0239 affects Mozilla Firefox and Thunderbird components via Alt-Svc with ALPN: certificates were not properly validated when the original server redirects to an insecure site. Affected versions are Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird

CVE-2025-1014

CVE-2025-1014 describes that a certificate length check was not properly performed when adding certificates to a store, leading to exposure where processing could rely on untrusted data. The initial entry lists affected products as Firefox < 135, Firefox ESR < 128.7, Thunderbird < 128.7,...

CVE-2018-18500

CVE-2018-18500 is a use-after-free in the HTML5 stream parser when handling custom HTML elements, causing the parser object to be freed while still in use. Affected products include Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox

CVE-2019-11712

CVE-2019-11712 describes a vulnerability where NPAPI plugins (e.g., Flash) performing POST requests that follow a 308 redirect can bypass CORS, enabling CSRF. Affected products include Mozilla Firefox ESR < 60.8, Firefox < 68, and Thunderbird

CVE-2021-23999

CVE-2021-23999 describes a sandbox/privilege issue where a Blob URL loaded via an unusual user interaction could be executed with System Principal privileges, affecting Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox

CVE-2024-4777

CVE-2024-4777 concerns memory-safety bugs in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10, potentially allowing arbitrary code execution. Public sources in connected documents confirm affected products and versions: Firefox < 126, Firefox ESR < 115.11, and Thunderbird

CVE-2024-5693

Offscreen Canvas cross-origin tainting tracked incorrectly, enabling potential access to image data from other sites. Affected: Firefox <127, Firefox ESR <115.12, Thunderbird

CVE-2019-9819

The CVE-2019-9819 issue is a JavaScript compartment mismatch involving the fetch API that can cause a crash. Affected products include Thunderbird (and Firefox components) with versions below 60.7 for Thunderbird and below 67 for Firefox/Firefox ESR; impact is described as potentially exploitable...

CVE-2020-12395

CVE-2020-12395 refers to memory-safety bugs reported in Mozilla Firefox and Thunderbird. Mozilla noted memory corruption in bugs affecting Firefox 75/ESR 68.7 and stated that with enough effort some bugs could be exploited to run arbitrary code. The vulnerability impacts Firefox ESR < 68.8, Fi...

CVE-2021-23998

CVE-2021-23998 describes a content spoofing vulnerability in Firefox/Thunderbird: through complex navigation involving new windows, an HTTP page could inherit the lock icon from an HTTPS page. Affected products are Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox

CVE-2023-23603

CVE-2023-23603 describes that Regular expressions used to filter forbidden properties/values from style directives in calls to console.log did not account for external URLs, enabling potential data exfiltration from the browser. Affected: Firefox <= 108/109 and Firefox ESR <= 102.7, Thunder...

CVE-2024-10466

CVE-2024-10466: A specially crafted push message can hang the parent process, making the browser unresponsive. Affected: Firefox < 132, Firefox ESR < 128.4, Thunderbird

CVE-2024-11692

CVE-2024-11692 describes a spoofing-related issue in Mozilla Firefox/Thunderbird where a select dropdown could be rendered over another tab, causing user confusion. The vulnerability affects Firefox versions before 133, Firefox ESR before 128.5, Thunderbird before 133, and Thunderbird before 128....

CVE-2024-38312

Concisely: CVE-2024-38312 affects Firefox for iOS versions before 127. When private tabs are used, location history data and webpage thumbnails could be persisted in the sandboxed app bundle after termination, exposing potentially sensitive information. Exploitation details are not provided in th...

CVE-2024-6609

The CVE-2024-6609 entry concerns NSS memory management: when memory is nearly exhausted, an elliptic curve key that was never allocated could be freed again, potentially enabling memory corruption or related instability. Affected products cited in connected docs include Mozilla Firefox and Mozill...

CVE-2024-6610

The CVE-2024-6610 issue is disclosed across multiple sources as a UI vulnerability in Mozilla Firefox and Thunderbird prior to version 128, caused by form validation popups that can capture escape key presses and block exiting full-screen mode. Affected products: Firefox <128 and Thunderbird

CVE-2024-8382

The CVE-2024-8382 entry describes a vulnerability where privileged EventHandler interfaces were exposed to web content during execution of their listener callbacks. Affected software includes Firefox (less than 130; ESR <128.2 and ESR

CVE-2024-8384

CVE-2024-8384 describes a memory safety issue in the JavaScript engine’s garbage collector where cross-compartment objects could be mis-colored under certain OOM timing, leading to memory corruption. Affected products per connected sources include Firefox and Thunderbird up to specific versions: ...

CVE-2021-29946

CVE-2021-29946 affects Firefox/Thunderbird components where ports written as an integer overflow beyond 16-bit bounds could bypass port blocking when used in the Alt-Svc header. Connected advisories show the issue is labeled as port blocking bypass (access restriction bypass) with remediation via...

CVE-2023-23601

CVE-2023-23601 is a browser navigation/vulnerability caused by dragging a URL from a cross-origin iframe into the same tab, enabling potential spoofing. Public records confirm impact on Firefox (less than 109) and Firefox ESR (less than 102.7) and Thunderbird (less than 102.7). Multiple advisorie...

CVE-2024-8387

CVE-2024-8387 affects Mozilla Firefox 129, Firefox ESR 128.1, and Thunderbird 128.1. It involves memory safety bugs that could allow memory corruption and, with sufficient effort, potentially arbitrary code execution. Impact is high (CVE scope covers Firefox <130, ESR <128.2, Thunderbird

CVE-2025-0245

CVE-2025-0245 affects Firefox before version 134. The issue is that an opt-in authentication setting could be bypassed under certain circumstances, enabling local access without proper authentication and with user interaction required. Root cause details are not fully disclosed in the provided do...

CVE-2020-12400

CVE-2020-12400 is an NSS-related timing vulnerability affecting Firefox < 80 and Firefox for Android

CVE-2024-6613

CVE-2024-6613 affects Mozilla Firefox and Thunderbird. The issue is a bug in the frame/stack handling, where the frame iterator can loop when encountering certain wasm frames, causing incorrect stack traces. Affected products are Firefox <128 and Thunderbird

CVE-2019-11692

CVE-2019-11692 is a use-after-free in the event listener manager that can occur when listeners are removed while still in use, causing a crash in Thunderbird <=60.6.x/60.7.0, Firefox <=66-67 (and ESR

CVE-2021-23987

CVE-2021-23987 corresponds to memory safety bugs reported in Mozilla Firefox (including Firefox ESR 78.8 branch) that could allow memory corruption and potentially arbitrary code execution. The CVE is stated to affect Firefox ESR < 78.9, Firefox < 87, and Thunderbird

CVE-2024-10460

The CVE-2024-10460 issue is a data: URL-based spoofing vulnerability in an iframe that obscures the origin of an external protocol handler prompt. Affected: Firefox <132, Firefox ESR <128.4, Thunderbird <128.4, and Thunderbird

CVE-2024-5695

CVE-2024-5695 describes an out-of-memory condition in Mozilla Firefox’s probabilistic heap checker allocations that could trigger an assertion and, in rarer cases, memory corruption. Affected software: Firefox versions older than 127. The root cause is tied to the probabilistic heap checker alloc...

CVE-2024-7526

The connected sources confirm CVE-2024-7526 is an ANGLE initialization bug that could allow an attacker to read uninitialized memory in affected Mozilla products. Affected software include Firefox prior to 129 and Firefox ESR prior to 115.14/128.1, Thunderbird prior to 128.1/115.14, and related c...

CVE-2024-7527

The CVE-2024-7527 issue (use-after-free at the start of sweeping) affects Firefox <129 and Thunderbird

CVE-2025-0243

CVE-2025-0243 concerns memory-safety bugs in Mozilla Firefox and Thunderbird. Affected products include Firefox 133 and Thunderbird 133, and their ESR lines (Firefox ESR 128.5, Thunderbird ESR 128.5) with exploitation potential for memory corruption that could allow executing arbitrary code. The ...

CVE-2025-0244

CVE-2025-0244 affects Firefox on Android prior to version 134. The issue arises when redirecting to an invalid protocol scheme, enabling an attacker to spoof the address bar. Other operating systems are unaffected. The connected sources confirm a Firefox-specific Android exposure without specifyi...

CVE-2020-26960

CVE-2020-26960 is a use-after-free vulnerability caused by reallocation during Compact() on nsTArray, affecting Firefox <83, Firefox ESR <78.5, and Thunderbird

CVE-2024-6608

The CVE-2024-6608 issue affects Mozilla Firefox (and related Thunderbird components) where pointerlock can move the cursor from within an iframe to outside the viewport and even outside the Firefox window. Affected versions are Firefox < 128 and Thunderbird