3269 matches found
CVE-2023-6209
CVE-2023-6209 corresponds to a parsing vulnerability where relative URLs starting with three slashes and a "/../" path could override the specified host, potentially enabling security issues on affected sites. The issue is documented for Firefox and Thunderbird, with affected versions cited as Fi...
CVE-2024-5699
CVE-2024-5699 affects Mozilla Firefox prior to version 127. The issue arises from cookie prefixes such as __Secure being ignored when capitalization isn’t correct, contrary to the spec that requires a case-insensitive check. This could allow behaviors not being honored as defined by the prefix, w...
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-2019-11717
CVE-2019-11717 affects Firefox ESR <60.8, Firefox <68, and Thunderbird
CVE-2019-11746
CVE-2019-11746 is a use-after-free in video element handling that can cause a crash. Public sources in connected advisories confirm impact on Firefox versions below 69, Thunderbird <68.1 and <60.9 (and ESR branches
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-2021-29946
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-2021-43537
CVE-2021-43537: An incorrect type conversion of sizes from 64-bit to 32-bit integers causes a heap buffer overflow during structured cloning, leading to memory corruption and potentially exploitable crashes. Affected: Firefox before 95 and Thunderbird before 91.4.0. Remediation: upgrade to Firefo...
CVE-2024-11696
CVE-2024-11696 describes an Unhandled Exception in Add-on Signature Verification due to how loadManifestFromFile handles invalid/unsupported extension manifests, potentially bypassing enforcement of signature validation for unrelated Firefox/Thunderbird add-ons. Affected software and versions per...
CVE-2025-1012
CVE-2025-1012 describes a race during concurrent delazification that can cause a use-after-free in Firefox and Thunderbird. Affected products include Firefox <135, Firefox ESR <115.20, Firefox ESR <128.7, Thunderbird <128.7, and Thunderbird
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-2019-9790
CVE-2019-9790 is a use-after-free vulnerability triggered when a raw pointer to a DOM element is obtained via JavaScript and the element is removed while still in use. Affected products include Thunderbird (<60.6), Firefox ESR (<60.6), and Firefox (
CVE-2020-6797
CVE-2020-6797 describes a macOS-specific issue where downloading a file with the .fileloc extension could cause a semi-privileged extension to launch an arbitrary application on the user’s Mac. The attacker is constrained by the ability to download only quarantined files and cannot pass command-l...
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-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-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-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-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-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-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-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-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-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-2024-5693
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-2019-11742
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-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-2024-6609
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-2024-8383
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-2015-7575
CVE-2015-7575 affects NSS (used by Mozilla Firefox) where MD5 signatures in TLS 1.2 ServerKeyExchange are accepted, enabling potential MITM server impersonation. The published description notes NSS before 3.20.2 and Firefox before 43.0.2 / ESR 38.x before 38.5.2 are impacted. Debian/IBM/AIX advis...
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-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-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-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-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-2024-7527
The CVE-2024-7527 issue (use-after-free at the start of sweeping) affects Firefox <129 and 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-2025-1018
The CVE-2025-1018 entry concerns Firefox and Thunderbird before version 135, where the fullscreen notification is prematurely hidden when fullscreen is re-requested quickly by the user. The underlying issue can allow spoofing, with a resulting impact described as partial integrity/availability co...
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-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-2021-23987
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-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-2024-10463
CVE-2024-10463 : Video frames could be leaked between origins in certain scenarios. Affected products include Mozilla Firefox and Thunderbird families with versions older than Firefox 132, ESR 128.4/115.17, and Thunderbird 128.4/132.0.1. The connected advisories confirm the issue and provide reme...
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-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-2020-12400
CVE-2020-12400 is an NSS-related timing vulnerability affecting Firefox < 80 and Firefox for Android
CVE-2020-6812
CVE-2020-6812: Affected software includes 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