CVE-2025-0242

The connected documents confirm CVE-2025-0242 involves memory safety bugs in Firefox and Thunderbird (including ESR branches) with evidence of memory corruption and potential arbitrary code execution given sufficient effort. Affected products and versions stated: Firefox < 134, Firefox ESR &lt...

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-2021-29991

CVE-2021-29991 affects Mozilla Firefox and Mozilla Thunderbird. The issue arises when Firefox incorrectly accepts a newline in an HTTP/3 header, treating it as two separate headers, enabling a header-splitting scenario for servers using HTTP/3. Affected versions are Firefox < 91.0.1 and Thunde...

CVE-2024-11699

CVE-2024-11699 describes memory-safety bugs in Mozilla Firefox 132, Firefox ESR 128.4, and Thunderbird 128.4 that could allow arbitrary code execution; vulnerable when running Firefox <133, Firefox ESR <128.5, Thunderbird <133, or Thunderbird

CVE-2020-15669

CVE-2020-15669 details (concrete): A use-after-free bug occurs when aborting an operation (e.g., fetch) where an abort signal is deleted while alerting observers, potentially allowing arbitrary code execution. Affected products include Firefox ESR versions earlier than 68.12 and Thunderbird versi...

CVE-2024-11694

The CVE-2024-11694 issue is a CSP frame-src bypass and DOM-based XSS stemming from Enhanced Tracking Protection in Mozilla products via the Web Compatibility extension’s Google SafeFrame shim. Affected: Firefox versions <133, Firefox ESR <128.5, Firefox ESR <115.18, Thunderbird <133, ...

CVE-2024-4767

CVE-2024-4767 is a fault in Firefox/Thunderbird where IndexedDB files were not properly deleted when a window closed if browser.privatebrowsing.autostart is enabled. Affected products include Firefox versions older than 126, Firefox ESR older than 115.11, and Thunderbird older than 115.11. The is...

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-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-2021-29980

CVE-2021-29980 is a memory safety issue caused by uninitialized memory in a canvas object, potentially enabling memory corruption and a crash. Documents show affected products include Thunderbird and Firefox variants: Thunderbird 78.x/91.x and Firefox ESR 78.x as well as Firefox

CVE-2024-11704

CVE-2024-11704 is a double-free in sec_pkcs7_decoder_start_decrypt() triggered on an error path, potentially leading to memory corruption. Affected products include Firefox < 133, Thunderbird < 133, Firefox ESR < 128.7, and Thunderbird

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-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-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-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-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-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-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-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-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-2024-2605

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-2024-6606

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-2024-9393

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-2021-23994

CVE-2021-23994 describes a WebGL-related memory corruption due to a framebuffer not initialized early enough, causing an out-of-bounds write. Affected products are Firefox ESR versions earlier than 78.10, Thunderbird versions earlier than 78.10, and Firefox versions earlier than 88. The root caus...

CVE-2021-29989

CVE-2021-29989 covers memory safety bugs in Firefox 90/ESR 78.12 that could lead to memory corruption and potentially arbitrary code execution; affected products include Thunderbird <78.13, Firefox ESR <78.13, and Firefox

CVE-2024-2612

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

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-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-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-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-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-2010-1205

CVE-2010-1205 is a buffer overflow in libpng (pngpread.c) that could allow remote code execution via a crafted PNG image. Affected libpng versions are prior to 1.2.44 and prior to 1.4.3. The overflow is tied to the internal copy in pngpread.c and is described across advisories mentioning memory c...

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-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-2024-6615

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-2009-0652

CVE-2009-0652 describes an IDN spoofing vulnerability where the IDN blacklist in Mozilla Firefox (and related Mozilla apps) failed to exclude box-drawing characters, enabling homoglyph-based phishing in subdomains of a .cn domain. Affected products include Firefox 3.0.6 (and others prior to 3.0.9...

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-2021-29985

CVE-2021-29985 is a use-after-free in media channels causing memory corruption, affecting Thunderbird (versions < 78.13 and < 91), Firefox ESR (<78.13) and Firefox (

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-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-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-2014-1568

CVE-2014-1568 covers NSS (and libraries using NSS) where ASN.1 parsing of DigestInfo in X.509 certificates is faulty, enabling remote attackers to forge RSA signatures via crafted certs. Affected NSS/products include NSS itself and Mozilla stack components (Firefox, Thunderbird, SeaMonkey) and Ch...

CVE-2021-23953

CVE-2021-23953 concerns an information-disclosure vulnerability in the PDF handling of Mozilla Firefox (before 85.0) and Thunderbird (before 78.7), plus Firefox ESR before 78.7. The issue arises when a user opens a specially crafted PDF, which could leak cross-origin data served as chunked data. ...

CVE-2021-23973

CVE-2021-23973 describes a cross-origin loading issue in audio/video contexts where a decoding error could leak information about the resource. Affected software: Firefox versions older than 86, Thunderbird older than 78.8, and Firefox ESR older than 78.8. Public-facing details confirm this vulne...

CVE-2021-29986

CVE-2021-29986 describes a race condition in getaddrinfo that can cause memory corruption and a potentially exploitable crash on Linux. Affected products include Thunderbird and Firefox variants: Thunderbird < 78.13 and < 91, Firefox ESR < 78.13, and Firefox

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-2024-7528

CVE-2024-7528 describes a use-after-free in IndexedDB caused by incorrect garbage collection interaction, affecting Mozilla Firefox before 129, Firefox ESR before 128.1, and Thunderbird before 128.1. Connected advisories indicate remediation by upgrading to the latest Firefox/Thunderbird versions...

CVE-2025-0247

CVE-2025-0247 concerns memory safety bugs in Mozilla Firefox 133 and Thunderbird 133, with impact on Firefox < 134 and Thunderbird

CVE-2019-11715

CVE-2019-11715: HTML parsing error can contribute to content XSS. Affected: Firefox ESR <60.8, Firefox <68, Thunderbird

CVE-2020-15664

The CVE-2020-15664 issue arises from a malicious page holding a reference to eval() from an about:blank window, allowing access to InstallTrigger and prompting users to install an extension. Affected products include Firefox < 80, Thunderbird < 78.2/68.12, Firefox ESR < 68.12/78.2, and F...