CVE-2024-5700

CVE-2024-5700 is a memory-safety issue affecting Firefox 126, ESR 115.11, and Thunderbird 115.11 (Firefox <127, ESR <115.12, Thunderbird

CVE-2021-29970

CVE-2021-29970 concerns a use-after-free/memory corruption issue triggered by a malicious webpage when accessibility is enabled. Affected products include Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox

CVE-2024-10464

CVE-2024-10464 refers to a vulnerability where repeated writes to history interface attributes could be exploited to cause a Denial of Service in the browser. Publicly documented impact shows affected products include Firefox below 132, Firefox ESR below 128.4, Thunderbird below 128.4, and Thunde...

CVE-2023-4055

CVE-2023-4055 concerns cookies per domain in the browser’s cookie jar. When domain cookie count exceeded, the actual sent cookie jar could diverge from the expected state, causing some cookies to be missing from requests. This affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR

CVE-2019-11744

CVE-2019-11744 concerns an XSS in HTML elements such as and where literal angle brackets can be left unescaped, allowing a crafted closing tag to be injected via innerHTML and make subsequent content appear outside the tag. Affected products include Firefox (versions before 69), Thunderbird (be...

CVE-2021-23969

The CVE-2021-23969 entry concerns a Content Security Policy (CSP) violation report handling issue in Firefox and related Mozilla products. Affected components: Firefox (and Thunderbird) CSP violation reporting when redirects occur. Root cause: during certain redirects, the reporter could set the ...

CVE-2023-23597

Summary: CVE-2023-23597 affects Mozilla Firefox and concerns a compromised web child process that could bypass web security opening restrictions, allowing a new child process to spawn in the file:// context and potentially read arbitrary files. The issue is described as a vulnerability in Firefox...

CVE-2019-11713

CVE-2019-11713 is a use-after-free in HTTP/2 when a cached stream is closed while still in use, leading to a potentially exploitable crash. Affected products include Firefox ESR < 60.8, Firefox < 68, and Thunderbird

CVE-2019-9820

The CVE-2019-9820 issue is a use-after-free in the ChromeEventHandler by DocShell that can cause a crash in Thunderbird and Firefox (including ESR). Affected products and versions, per sources: Thunderbird < 60.7, Firefox < 67, and Firefox ESR

CVE-2025-1010

A CVE entry (CVE-2025-1010) describes a use-after-free via the Custom Highlight API that could lead to a crash. Affected products/versions include: Firefox fixed in 135, Firefox ESR fixed in 115.20 and 128.7, Thunderbird fixed in 128.7 and 135, and Thunderbird ESR variants similarly updated. The ...

CVE-2016-1947

CVE-2016-1947 pertains to Firefox 43.x where the Application Reputation service was disabled, enabling a remote attacker to trigger an unintended download by exploiting the absence of reputation data. The connected openSUSE advisories confirm this issue as part of MFSA 2016-11 and list CVE-2016-1...

CVE-2020-6798

CVE-2020-6798 involves incorrect parsing when a template tag is used inside a select tag, enabling JavaScript injection under browser-like contexts. The vulnerability affects Thunderbird versions prior to 68.5 (and Firefox before 73 / ESR 68.5); exploitation is discussed in the context of cross-s...

CVE-2024-4770

CVE-2024-4770 is a memory-safety use-after-free issue in PDF rendering when saving a page to PDF, reported for Firefox <126, Firefox ESR <115.11, and Thunderbird

CVE-2024-7519

CVE-2024-7519 describes memory corruption due to insufficient checks when processing graphics shared memory, enabling sandbox escape. Affected products include Firefox <129, Firefox ESR <115.14, Firefox ESR <128.1, Thunderbird <128.1, and Thunderbird

CVE-2024-9393

Summary: CVE-2024-9393 describes a cross-origin JavaScript execution in PDFs via a crafted multipart response, allowing access to cross-origin content under the resource://pdf.js origin. Affected software (from provided docs): Mozilla Firefox and Thunderbird (including ESR branches). Desktop Site...

CVE-2024-6602

CVE-2024-6602 is a memory corruption vulnerability caused by a mismatch between the allocator and deallocator in NSS. It affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird

CVE-2024-8381

CVE-2024-8381 describes a potentially exploitable type confusion triggered when looking up a property name on an object used as the with environment. Affected products include Firefox (pre-130 and ESR pre-128.2/115.15) and Thunderbird (pre-128.2/115.15). The root cause is type confusion during pr...

CVE-2024-2605

CVE-2024-2605 affects Firefox and related Mozilla products on Windows, where the Windows Error Reporter can be abused as a sandbox escape to run arbitrary code. The description states affected versions: Firefox < 124, Firefox ESR < 115.9, and Thunderbird

CVE-2024-5688

CVE-2024-5688 is a use-after-free in object transplant triggered by garbage collection timing, affecting Firefox versions before 127 and Firefox ESR before 115.12, and Thunderbird before 115.12. Root cause: memory safety issue during object transplant that can lead to heap corruption if GC runs a...

CVE-2024-9936

CVE-2024-9936 affects Mozilla Firefox prior to 131.0.3. The issue stems from manipulating the selection node cache, which can cause unexpected behavior and potentially an exploitable crash. Affected product: Firefox; vulnerable component: selection node cache handling; root cause: cache manipulat...

CVE-2019-11752

CVE-2019-11752 is a use-after-free in IndexedDB: deleting a key value during conversion may allow a crash and potential exploitation. Affected products include Firefox versions before 69 and Thunderbird versions before 68.1/60.9 (and corresponding ESR lines). Several connected advisories note fix...

CVE-2020-12401

CVE-2020-12401: In ECDSA signature generation, padding used to ensure constant-time scalar multiplication was removed, causing variable-time execution based on secret data. Affected: Firefox < 80 and Firefox for Android

CVE-2023-4056

Memory safety bugs in Firefox 115/Thunderbird 115 and older (Firefox <116, ESR <102.14/115.1; Thunderbird

CVE-2024-6600

CVE-2024-6600 describes a memory-out-of-bounds in Angle’s GLSL shader allocation on macOS when allocating more than 8192 ints in private shader memory, leading to potential memory corruption. Affected products per sources include Mozilla Firefox and Thunderbird (and ESR branches) with versions pr...

CVE-2019-11691

CVE-2019-11691 is a use-after-free vulnerability in XMLHttpRequest (XHR) triggered by an event loop, causing the XHR main thread to be invoked after the object is freed. Affects Thunderbird versions < 60.7 and Firefox/Firefox ESR 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-2025-2857

Firefox on Windows was vulnerable to a sandbox-escape in the IPC code where a compromised child process could cause the parent to return an unintentionally powerful handle. This pattern mirrors the Chrome/CVE-2025-2783 lineage and was exploited in the wild. The issue affected Firefox on Windows o...

CVE-2024-6606

CVE-2024-6606 : The issue is an out-of-bounds read in the clipboard component caused by clipboard code failing to check the index on an array access. Affected products are Mozilla Firefox and Mozilla Thunderbird, with exploitable impact on versions earlier than 128. The vulnerability is described...

CVE-2024-6615

CVE-2024-6615 relates to memory safety bugs in Mozilla Firefox and Thunderbird, with issues present in Firefox 127 and Thunderbird 127 that could lead to memory corruption and arbitrary code execution. Connected advisories (MFSA2024-32, MFSA2024-29) confirm multiple memory-safety and related issu...

CVE-2020-6821

CVE-2020-6821: WebGL copyTexSubImage reads outside the source resource; memory that should be zero is uninitialized, enabling potential data disclosure. Affected products include Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox

CVE-2022-1887

CVE-2022-1887: A SQL injection vulnerability in Firefox for iOS, triggered when the search term is supplied externally, affects Firefox for iOS versions prior to 101. The NVD and Red Hat entries confirm the issue and describe the impact as high confidentiality, integrity, and availability risk (C...

CVE-2024-9392

CVE-2024-9392 impacts Firefox and Thunderbird before version 131 (and ESR before 128.3/115.16) where a compromised content process could bypass site isolation and load cross-origin content. This could enable cross-origin access to PDF/JSON via multipart responses and, in some cases, broader arbit...

CVE-2016-9905

CVE-2016-9905 is tied to a crash in EnumerateSubDocuments when adding or removing sub-documents, affecting Thunderbird and Firefox ESR prior to 45.6. The connected sources consistently identify a crash/memory safety context (e.g., use-after-free and memory corruption patterns across related CVEs)...

CVE-2020-6829

CVE-2020-6829 is a vulnerability in NSS (Network Security Services) libraries (nss, nss-util, nss-softokn, nspr) where the wNAF scalar point multiplication during ECDSA signature generation leaks partial nonce information. This side-channel can enable an attacker with electromagnetic traces from ...

CVE-2023-25735

CVE-2023-25735 describes a use-after-free caused by cross-compartment wrappers wrapping a scripted proxy, which could cause objects from other compartments to be stored in the main compartment during unwrapping. Affected products include Firefox <110, Thunderbird <102.8, and Firefox ESR

CVE-2024-2612

CVE-2024-2612 affects Firefox <124, Firefox ESR <115.9, and Thunderbird

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-2023-4049

CVE-2023-4049: Race conditions in Firefox reference counting can lead to use-after-free. Affected: Firefox <116, ESR <102.14, ESR

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-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-2024-6601

CVE-2024-6601 describes a race condition in Mozilla products where a cross-origin container could gain permissions of the top-level origin. Affected are Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird

CVE-2019-9816

Summary: CVE-2019-9816 is a type confusion vulnerability involving manipulation of JavaScript objects in object groups, affecting Mozilla products (Thunderbird and Firefox/Firefox ESR) and specifically related to UnboxedObjects, which are disabled by default on all supported releases. The issue i...

CVE-2021-38503

The CVE-2021-38503 issue: the iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. Affected products include Firefox (versions before 94), Thunderbird (before 91.3), and Firefox ...

CVE-2023-4050

CVE-2023-4050 affects Mozilla Firefox and Firefox ESR (and related Linux distro advisories). The root cause is untrusted input streams being copied to a stack buffer without proper size checks, leading to a potentially exploitable crash that could enable sandbox escape. Public-facing details acro...

CVE-2024-10458

CVE-2024-10458 describes a permission leak from a trusted site to an untrusted site via embed/object in Firefox and Thunderbird. Affected products and ranges shown in the connected documents include Firefox and Thunderbird before 132 (and ESR before 128.4/115.17 for Firefox, and Thunderbird befor...

CVE-2024-11691

CVE-2024-11691: A memory corruption/out-of-bounds write flaw in Apple GPU drivers via WebGL on Apple Silicon M-series. Affected products include Firefox and Thunderbird releases listed in MFSA advisories: Firefox <133 and ESR <128.5; Thunderbird <133 and ESR

CVE-2024-8897

Technical details about CVE-2024-8897 are not publicly available in the provided documents; no specifics on affected products, versions, impact, or remediation are given here.

CVE-2020-26965

CVE-2020-26965 is a browser/password-input issue affecting Firefox (including ESR) versions older than 83/78.5 and Thunderbird older than 78.5. The problem arises when a user’s password is revealed via a “Show Password” control, and, in conjunction with a software keyboard that remembers input, t...

CVE-2024-5696

The CVE-2024-5696 entry concerns memory corruption caused by manipulating text in an tag, affecting Firefox < 127, Firefox ESR < 115.12, and Thunderbird

CVE-2024-5697

CVE-2024-5697 : A website could detect when a user took a page screenshot via Firefox’s built-in Screenshot feature. Affected: Firefox versions before 127. The connected documents confirm Firefox as the vulnerable product and the issue as a UI/behavioral flaw; no exploitation details or in-the-wi...