CVE-2024-0747

CVE-2024-0747 describes a CSP bypass: when a parent page loads a child in an iframe with unsafe-inline, the parent CSP could override the child CSP. Affected: Firefox before 122, Firefox ESR before 115.7, and Thunderbird before 115.7. Practical impact: potential bypass of content security policie...

CVE-2016-9074

CVE-2016-9074: Mozilla NSS timing-side-channel mitigation is insufficient in some circumstances. Affects NSS-based components used by Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox

CVE-2017-5407

CVE-2017-5407 describes a information-disclosure flaw in SVG filters due to floating-point timing side channels that can leak pixel data and history across origins. Affected products include Mozilla Firefox and Thunderbird versions older than 52 (Firefox ESR older than 45.8; Thunderbird older tha...

CVE-2017-5439

CVE-2017-5439 is a use-after-free in XSLT processing caused by improper handling of template parameters (nsTArray Length()) in Mozilla code, affecting Firefox and Thunderbird. It targets Firefox < 53 (and related ESR branches) and Thunderbird

CVE-2017-5404

CVE-2017-5404 is a use-after-free in Firefox/Thunderbird when manipulating ranges in selections with one node inside a native anonymous tree and one node outside it, leading to a potentially exploitable crash. Affected: Firefox versions before 52 and Firefox ESR before 45.8; Thunderbird versions ...

CVE-2023-25742

CVE-2023-25742 : When importing a SPKI RSA public key as ECDSA P-256, the key is handled incorrectly, causing the tab to crash. Affected products per provided docs: Firefox < 110, Thunderbird < 102.8, and Firefox ESR

CVE-2023-29533

CVE-2023-29533 affects Firefox (pre-112, ESR pre-102.10, Android-focused builds pre-112) and Thunderbird (

CVE-2023-6206

CVE-2023-6206 is described across connected sources as a clickjacking-related issue tied to the fullscreen transition in Mozilla Firefox and Thunderbird. The vulnerability affects Firefox versions older than 120, Firefox ESR older than 115.5.0, and Thunderbird older than 115.5.0. The issue is dis...

CVE-2023-6860

CVE-2023-6860: The VideoBridge channel allowed a content process to access textures from remote decoders, creating a potential sandbox escape in Firefox ESR <115.6, Thunderbird <115.6, and Firefox

CVE-2017-5432

CVE-2017-5432 is a use-after-free in Firefox < 53 that can trigger a potentially exploitable crash during certain text-input selection. The vulnerability also affects related Mozilla products in older ESR/thunderbird branches (e.g., Thunderbird < 52.1; ESR

CVE-2017-5445

CVE-2017-5445 describes a memory-read vulnerability in Mozilla products when parsing the application/http-index-format content, caused by uninitialized values used to create an array. The impact is information disclosure by reading uninitialized memory in affected components. Affected versions pe...

CVE-2017-5464

CVE-2017-5464 affects Mozilla products: Thunderbird

CVE-2017-7828

CVE-2017-7828 describes a use-after-free in Thunderbird/Firefox related to the PressShell object during layout flush and resize, causing potentially exploitable crashes. Affected products include Thunderbird < 52.5.0 and Firefox < 57 (and ESR

CVE-2023-25752

CVE-2023-25752 affects Firefox and Thunderbird due to an out-of-bounds risk when accessing throttled streams. The bug stems from not validating the count of available bytes in the caller, allowing potential memory safety issues. Affected versions include Firefox <111, Firefox ESR <102.9, an...

CVE-2013-5609

CVE-2013-5609 is a set of memory-corruption/denial-of-service vulnerabilities in the Mozilla Firefox browser engine, affecting Firefox (including ESR 24.x) and related products prior to versions around 26.0 (per the referenced MiracleLinux AXSA advisories). The issues could allow remote attackers...

CVE-2014-1508

CVE-2014-1508 affects Mozilla Firefox family components (libxul) where libxul.so!gfxContext::Polygon can leak memory, cause out-of-bounds reads, or crash, with potential Same Origin Policy bypass via MathML polygon rendering. Affected: Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbir...

CVE-2017-5408

CVE-2017-5408: Cross-origin reading of video captions in Mozilla products due to missing CORS header checks. Affected: Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, Thunderbird

CVE-2017-7826

CVE-2017-7826 ties to memory-safety bugs in Firefox 56/ESR 52.4 and Thunderbird prior to 52.5. Affected versions: Firefox < 57, Firefox ESR < 52.5, Thunderbird

CVE-2023-25730

CVE-2023-25730 describes a browser vulnerability where a background script calling document.documentElement.requestFullscreen and then blocking the main thread can force fullscreen mode indefinitely, potentially causing user confusion or spoofing. The connected documents confirm affected products...

CVE-2023-28163

CVE-2023-28163 is a Windows-specific Firefox/Thunderbird vulnerability where the Save As dialog incorrectly resolves environment variables in suggested filenames, causing context exposure to the current user. Affected products are Firefox on Windows (Firefox < 111 and ESR < 102.9) and Thund...

CVE-2023-32213

CVE-2023-32213 affects Mozilla Firefox and Thunderbird. The flaw arises when reading a file, where an uninitialized value could be used as the read limit. Affected versions are Firefox <113, Firefox ESR <102.11, and Thunderbird

CVE-2024-0746

CVE-2024-0746 describes a crash triggered when a Linux user opens the print preview dialog in Mozilla components. Affected products include Firefox (versions before 122) and Firefox ESR (before 115.7) as well as Thunderbird (before 115.7). The issue is reported as a crash scenario in the print-pr...

CVE-2026-16349

The Mozilla Firefox and Thunderbird browsers are affected by CVE-2026-16349 , a Same-origin policy bypass in the DOM: Navigation component . This vulnerability allows for the bypass of security boundaries intended to isolate different web origins. The issue has been addressed in Firefox 153 , Fir...

CVE-2014-1505

CVE-2014-1505 affects Mozilla Firefox (and related Mozilla components) where SVG filter operations in feDisplacementMap could leak displacement-correlation data and potentially bypass Same Origin Policy via a timing attack, enabling partial information disclosure from a different domain. Affected...

CVE-2016-9897

CVE-2016-9897 affects Mozilla Firefox (versions < 50.1) and Firefox ESR (< 45.6) and Thunderbird (

CVE-2017-5440

CVE-2017-5440 is a use-after-free in XSLT processing caused by failure to propagate error conditions during matching while evaluating context, leading to use of freed objects and potentially a crash. Affected products include Mozilla Firefox (Firefox < 53) and Firefox ESR, and Mozilla Thunderb...

CVE-2022-2226

CVE-2022-2226 describes a vulnerability in Mozilla Thunderbird where an OpenPGP signature includes the signature date, which may differ from the email display date. If the dates don’t match, Thunderbird could still accept the signature; a replay attack (resenting an old email later) could mislead...

CVE-2022-45405

CVE-2022-45405 is a memory-safety use-after-free in the InputStream implementation caused by freeing arbitrary nsIInputStream on a different thread. Documents confirm impact on Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox

CVE-2023-28164

CWE- style note: CVE-2023-28164 affects Firefox <111, Firefox ESR <102.9, and Thunderbird

CVE-2026-2447

A heap buffer overflow vulnerability exists in the libvpx library, which provides the VP8 SDK for encoding and decoding video codecs. This vulnerability affects multiple applications and distributions, including Firefox , Firefox ESR , and Thunderbird . The flaw was addressed in the following ver...

CVE-2016-5290

CVE-2016-5290: Memory safety bugs in Firefox 49 and Firefox ESR 45.4 (affecting Thunderbird <45.5, Firefox ESR <45.5, and Firefox

CVE-2017-7753

CVE-2017-7753 is an out-of-bounds read in the rendering path when applying style rules to pseudo-elements (e.g., ::first-line) using cached style data. Affected products/versions include Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox

CVE-2018-5129

The CVE-2018-5129 entry relates to a memory-safety/IPC validation issue where a lack of parameter validation on IPC messages can cause an out-of-bounds write, potentially enabling sandbox escape. Affected products include Mozilla Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox

CVE-2022-45406

CVE-2022-45406 describes a memory-safety flaw in JavaScript: when an out-of-memory condition occurs during creation of a global, a JavaScript realm can be deleted while references linger in a BaseShape, leading to a use-after-free and potentially exploitable crash. Affected products include Firef...

CVE-2023-32214

CVE-2023-32214 affects Mozilla Firefox and Thunderbird on Windows. The vulnerability involves protocol handlers ms-cxh and ms-cxh-full that could be leveraged to trigger a denial of service. Affected versions are Firefox < 113, Firefox ESR < 102.11, and Thunderbird

CVE-2025-4083

A process isolation vulnerability exists in Mozilla Thunderbird and Mozilla Firefox due to improper handling of javascript: URIs. This flaw could allow content to execute within the top-level document's process instead of the intended frame, potentially facilitating a sandbox escape . The vulnera...

CVE-2017-5433

CVE-2017-5433 is a use-after-free in SMIL animation functions. Affected software includes Mozilla Firefox builds before 53 and Thunderbird before 52.1 ESR; the underlying issue arises when pointers to animation elements in an array are dropped from the animation controller while still in use, lea...

CVE-2022-38473

Concrete details for CVE-2022-38473: A cross-origin iframe referencing an XSLT document could inherit the parent domain’s permissions (e.g., microphone or camera) in Thunderbird and Firefox products. Affected: Thunderbird versions earlier than 102.2 and 91.13, Firefox ESR earlier than 91.13 and 1...

CVE-2023-6212

CVE-2023-6212 parks memory safety bugs in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4, with evidence of memory corruption and potential to exploit for arbitrary code. The issue affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird

CVE-2024-0751

CVE-2024-0751 : A malicious devtools extension could have been used to escalate privileges. Affected: Firefox < 122, Firefox ESR < 115.7, Thunderbird

CVE-2025-4091

Memory safety bugs exist in Firefox and Thunderbird (specifically versions 137 and ESR 128.9). These vulnerabilities involve memory corruption and could potentially be exploited by a determined attacker to execute arbitrary code . The issues are fixed in Firefox 138 , Firefox ESR 128.10 , Thunder...

CVE-2023-37202

CVE-2023-37202 affects Firefox (including ESR) and Thunderbird. The issue is caused by cross-compartment wrappers wrapping a scripted proxy, which could store objects from other compartments in the main compartment, resulting in a use-after-free. Affected versions are Firefox <115, Firefox ESR...

CVE-2023-50762

CVE-2023-50762 affects Thunderbird≤115.5 (specifically Thunderbird

CVE-2023-6207

CVE-2023-6207: Ownership mismanagement leads to a use-after-free in ReadableByteStreams. Affected products include Firefox < 120 and Thunderbird

CVE-2017-5459

CVE-2017-5459 is a buffer overflow in the WebGL component triggerable by web content. Affected products include Mozilla Firefox (non-ESR) <53 and Thunderbird/Firefox ESR variants listed in the description (Thunderbird <52.1, Firefox ESR <45.9, Firefox ESR <52.1, Firefox

CVE-2023-6857

CVE-2023-6857 describes a race condition when resolving symlinks in Firefox on Unix-based OSes, where the buffer passed to readlink may be too small. Affects Firefox and Thunderbird components (Firefox ESR <115.6, Firefox <121, Thunderbird

CVE-2024-0755

CVE-2024-0755 appears in multiple connected advisories as a memory-safety vulnerability affecting Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6, with memory corruption that could allow arbitrary code execution. Affected versions are Firefox < 122, Firefox ESR < 115.7, and Thunderbird

CVE-2025-1934

The RegExp component in Mozilla Firefox , Firefox ESR , and Thunderbird is vulnerable to an issue where processing of a RegExp bailout can be interrupted. This allows an attacker to run additional JavaScript, which could potentially trigger garbage collection at an unexpected time. This flaw coul...

CVE-2012-4186

CVE-2012-4186 : Heap-based buffer overflow in Mozilla Firefox’s nsWaveReader::DecodeAudioData. Affected products include Firefox before 16.0 (and Firefox ESR 10.x before 10.0.8), Thunderbird before 16.0, and SeaMonkey before 2.13. Vectors are unspecified in the provided docs, but exploitation wou...

CVE-2013-0750

CVE-2013-0750 is a high-severity vulnerability in Mozilla’s JavaScript engine where an integer overflow during string concatenation can lead to heap-based memory corruption and remote code execution. Affected products include Firefox prior to 18.0 (and ESR branches), Thunderbird prior to 17.0.2, ...