CVE-2023-5172

CVE-2023-5172 affects Mozilla Firefox versions earlier than 118. The vulnerability arises from a hashtable in the Ion Engine being mutated while a live interior reference exists, causing a use-after-free and a potentially exploitable crash. The issue is described as impacting Firefox

CVE-2021-29951

CVE-2021-29951 involves the Mozilla Maintenance Service granting SERVICE_START access to BUILTIN|Users, enabling domain users to start/stop the browser update service. Affected: Windows systems older than Windows 10 build 1709; Firefox prior to 87 and Firefox ESR prior to 78.10.1, Thunderbird pri...

CVE-2018-12365

CVE-2018-12365 is a vulnerability where a compromised IPC child process can escape the content sandbox and list names of arbitrary files on the file system without user consent. It affects Thunderbird (versions below 60, including 52.9) and Firefox-based products (Firefox ESR < 60.1/52.9, Fire...

CVE-2019-9794

CVE-2019-9794: Command line arguments are not discarded when Firefox is invoked as a shell handler for URLs on Windows, enabling potential remote file retrieval/execution. Affected: Thunderbird <60.6, Firefox ESR <60.6, Firefox

CVE-2023-4582

CVE-2023-4582 is a Firefox-on-macOS-specific issue where large allocation checks in Angle for GLSL shaders could overflow a private shader memory allocation, leading to a buffer overflow. The vulnerability affects Firefox versions earlier than 117 (and Firefox ESR < 115.2, Thunderbird

CVE-2018-12376

CVE-2018-12376 involves memory safety bugs in Firefox 61/ESR 60.1 and Thunderbird

CVE-2019-9815

CVE-2019-9815 describes a timing-attack similar to Spectre when hyperthreading is not disabled. Affected: macOS content threads (macOS 10.14.5 introduces a sysctl option to disable hyperthreading for untrusted code on the main or worker JavaScript threads), and affected Firefox/Thunderbird versio...

CVE-2019-11748

CVE-2019-11748 affects Firefox WebRTC permissions: persisted access to microphone/camera could be exploited when in a third‑party context. Root cause: permissions were kept across navigations, enabling invisibly embedded resources to reuse user consent. Impact: user prompts are now required per u...

CVE-2023-5730

The CVE-2023-5730 entry concerns memory safety bugs in Mozilla Firefox (Firefox 118 and ESR 115.3) and Thunderbird 115.3 that could allow arbitrary code execution. Affected versions are Firefox < 119, Firefox ESR < 115.4, and Thunderbird

CVE-2020-6826

CVE-2020-6826 affects Mozilla Firefox before version 75.0. The issue stems from memory-safety bugs in Firefox 74 that could lead to memory corruption and arbitrary code execution with a remote attack surface (no user interaction required). The Arch Linux advisory ASA-202004-8 provides remediation...

CVE-2021-38497

CVE-2021-38497 describes a UI spoofing issue caused by using reportValidity() together with window.open(), which could overlay a plain-text validation message on another origin. Affected software versions are Firefox < 93, Thunderbird < 91.2, and Firefox ESR

CVE-2023-29539

Concrete details found: CVE-2023-29539 (Content-Disposition filename truncation on NULL) affects Firefox family and Thunderbird; root cause is NULL character in filename causing truncation and potential Reflected File Download. Connected documents (Astra Linux bulletin, Debian/CentOS advisories) ...

CVE-2019-11753

CVE-2019-11753 affects Firefox on Windows where the installer can place Firefox in a user-writable location. The underlying issue is lack of integrity checks in the Mozilla Maintenance Service during updates, allowing a locally replaced executable in the unprotected path to run with elevated priv...

CVE-2023-4051

CVE-2023-4051: The vulnerability relates to the full screen notification being obscured by the file Open dialog, potentially enabling user confusion and spoofing. Public details across connected documents identify the issue in Mozilla products including Firefox and Thunderbird before certain vers...

CVE-2018-5158

CVE-2018-5158: Firefox PDF viewer has insufficient sanitization of PostScript calculator functions, enabling injection of malicious JavaScript via crafted PDFs. Impact affects Firefox ESR < 52.8 and Firefox

CVE-2021-29987

CVE-2021-29987 describes a UI permission trick where after requesting multiple permissions and closing the first panel, subsequent panels appear in a different position but still register a click in the default location, potentially causing a user to grant unwanted permissions. Technical details ...

CVE-2022-46882

CVE-2022-46882 is a use-after-free in WebGL extensions that could cause a crash in affected Mozilla products. Affected software include Firefox versions before 107 and Firefox ESR before 102.6, and Thunderbird before 102.6. The connected documents identify the underlying issue as a use-after-free...

CVE-2023-4576

CVE-2023-4576 affects Mozilla Firefox on Windows, where an integer overflow in RecordedSourceSurfaceCreation can cause a heap buffer overflow potentially leaking data and enabling sandbox escape. Affected products/versions listed include Firefox on Windows and Firefox/Thunderbird releases older t...

CVE-2012-4930

The CVE-2012-4930 issue affects the SPDY protocol (v3 and earlier) as used by Firefox, Chrome, and other products. It allows a man-in-the-middle to observe length-based side channels of TLS-compressed data to potentially recover plaintext HTTP headers (CRIME attack). Root cause: TLS compression w...

CVE-2017-5436

CVE-2017-5436 is an out-of-bounds write in the Graphite 2 library triggered by a malicious Graphite font, causing a potentially exploitable crash. The issue was fixed in Graphite 2 and in Mozilla products; affected Mozilla components include Thunderbird < 52.1, Firefox ESR < 45.9 and < 5...

CVE-2018-12359

CVE-2018-12359 is a buffer overflow in rendering canvas content when dynamically adjusting the height/width, potentially causing a crash. Affected: Thunderbird and Firefox variants (e.g., Thunderbird < 52.9, Firefox ESR < 60.1, Firefox

CVE-2018-12362

CVE-2018-12362 is an integer overflow in the SSSE3 scaler used during graphics operations, affecting Thunderbird and Firefox variants prior to specific versions (e.g., Thunderbird < 52.9, Firefox ESR < 60.1, Firefox

CVE-2018-12377

CVE-2018-12377 is a use-after-free vulnerability that can occur when refresh driver timers are refreshed during shutdown, potentially causing a crash when the timer is deleted while still in use. The issue affects Thunderbird versions prior to 60.2.1 (and related Firefox/ESR components). The docu...

CVE-2018-5089

CVE-2018-5089 is a memory-safety vulnerability affecting Mozilla products: Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox

CVE-2018-5150

CVE-2018-5150 concerns memory safety bugs in Firefox 59/ESR 52.7 and Thunderbird 52.7, with potential memory corruption that could allow arbitrary code execution. Affected products include Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR

CVE-2020-6823

The CVE-2020-6823 entry concerns Mozilla Firefox (affected versions: below 75). A malicious extension could call browser.identity.launchWebAuthFlow, allowing control of the redirect_uri and through the returned Promise obtain an OAuth authorization code, enabling the attacker to access the user’s...

CVE-2021-29982

CVE-2021-29982 affects Firefox and Thunderbird prior to version 91. Root cause: incorrect JIT optimization causing type confusion, leading to potential leakage of a single memory bit. Connected advisories confirm the issue and describe remediation as upgrading to Firefox/Thunderbird version 91 or...

CVE-2023-4053

The CVE-2023-4053 issue describes a UI spoofing risk where a website could obscure a full-screen notification by using a URL scheme handled by an external program (e.g., mailto). Affected products: Mozilla Firefox (non-ESR) and Thunderbird prior to certain versions; specifically Firefox <116, ...

CVE-2023-5724

The connected Astra Linux bulletin confirms CVE-2023-5724: Drivers are not always robust to extremely large draw calls, potentially causing crashes in Firefox before 119, Firefox ESR before 115.4, and Thunderbird before 115.4.1. Affected versions are Firefox <119, Firefox ESR <115.4, Thunde...

CVE-2017-5375

CVE-2017-5375 affects Mozilla Thunderbird, Firefox ESR, and Firefox prior to certain version thresholds. The issue is a JIT code allocation vulnerability that can bypass ASLR and DEP, enabling memory corruption. Public exploit activity exists (ASM.JS JIT-Spray PoCs) for multiple Firefox versions ...

CVE-2018-5188

CVE-2018-5188 involves memory safety bugs in Firefox 60/ESR 60 and Thunderbird

CVE-2019-11736

CVE-2019-11736 describes a local-privilege-escalation vulnerability in the Mozilla Maintenance Service on Windows. The issue arises because the service does not guard against hardlinks in the updates directory, enabling replacement of local files (including the Maintenance Service executable) and...

CVE-2020-6824

CVE-2020-6824 affects Firefox before version 75. The issue is a privacy/credential handling bug where passwords generated in a private browsing window could be reused in a subsequent private window for the same site, yielding identical passwords instead of independent ones. Root cause: state reta...

CVE-2021-38492

CVE-2021-38492 affects Mozilla Firefox on Windows, where delegating navigations to the OS could accept mk: URLs and load Internet Explorer in unprivileged mode. The vulnerability impacts Firefox versions older than 92 (and related Thunderbird/ ESR lines). Remediation is to upgrade to Firefox 92+ ...

CVE-2022-3266

CVE-2022-3266 is an out-of-bounds read in H.264 video decoding that can trigger a crash. Affected products in the provided documents include Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox

CVE-2022-40962

CVE-2022-40962 is a memory safety issue in Firefox 104 and Firefox ESR 102.2 reported by Mozilla Fuzzing Team. The connected documents confirm memory corruption indicators and state that, with enough effort, some bugs could be exploited to run arbitrary code. The vulnerability affects Firefox ESR...

CVE-2025-1930

CVE-2025-1930 describes a use-after-free in the Firefox/Thunderbird browser processes on Windows, triggered by malformed StreamData sent over AudioIPC from a compromised content process, potentially enabling a sandbox escape in the Browser process. Connected advisories confirm affected versions i...

CVE-2018-12363

CVE-2018-12363 is a use-after-free vulnerability in Firefox/Thunderbird caused by mutation events moving DOM nodes between documents. The old document may be freed while a stale pointer remains, potentially enabling a crash. Public references show affected products include Thunderbird versions ol...

CVE-2020-6815

CVE-2020-6815: Firefox before 74 contains memory safety and script safety bugs in the browser engine (affecting Firefox 73). Mozilla states these could be exploited to run arbitrary code, implying high-severity remote code execution if leveraged. Remediation noted in public advisories is to upgra...

CVE-2018-12366

CVE-2018-12366 describes an out-of-bounds read during QCMS color profile transformations caused by an invalid grid size. The vulnerability could leak private data in output. Affected products/versions include Thunderbird (and Firefox components) before specific fixed releases: Debian/CentOS advis...

CVE-2022-34472

CVE-2022-34472 : If a PAC URL is configured and the PAC host is unreachable, OCSP requests are blocked, leading to incorrect error pages being shown. Affected: Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, Thunderbird

CVE-2023-5725

CVE-2023-5725 is a documented vulnerability affecting Firefox (before 119), Firefox ESR (before 115.4), and Thunderbird (before 115.4.1). A malicious installed WebExtension could open arbitrary URLs, which under certain conditions could enable collection of sensitive user data. The connected docu...

CVE-2017-5462

The CVE-2017-5462 issue is a DRBG generation flaw in the NSS library where the internal state V does not correctly carry bits over. This vulnerability affects Mozilla products including Thunderbird (<52.1), Firefox ESR (<52.1), Firefox (

CVE-2022-46871

CVE-2022-46871 is tied to an out-of-date libusrsctp library in Firefox prior to version 108. The vulnerability affects Firefox and is rated HIGH (CVSSv3.1: 8.8) with NETWORK attack vector, LOW complexity, no privileges required, user interaction needed, and potential HIGH impact on confidentialit...

CVE-2018-12364

The CVE-2018-12364 entry affects Thunderbird and was mitigated in various distributions through Thunderbird 52.9.1 and related security advisories. The connected documents confirm concrete details: NPAPI plugins (e.g., Flash) can bypass CORS by issuing a same-origin POST that redirects (307) to t...

CVE-2018-12378

CVE-2018-12378 is a use-after-free in Thunderbird/Firefox related to deleting an IndexedDB index while it is still in use by JavaScript, causing a potentially exploitable crash. Affected: Thunderbird

CVE-2022-31742

CVE-2022-31742 describes a timing-attack flaw in WebAuthn: an attacker could send many allowCredential entries and distinguish valid vs invalid key handles, enabling cross-origin account linking. Affected products in the provided records are Thunderbird < 91.10, Firefox < 101, and Firefox ESR

CVE-2023-5175

The CVE-2023-5175 issue affects Mozilla Firefox pre-118 releases. The vulnerability stems from an ImageBitmap being created during process shutdown that could later be used after being freed via a different codepath, resulting in a potentially exploitable crash (use-after-free/memory safety conce...

CVE-2018-12386

Summary: CVE-2018-12386 is a type-confusion vulnerability in Mozilla Firefox/Firefox ESR related to JavaScript register allocation, which can lead to an arbitrary read/write and remote code execution in the sandboxed content process. Affected versions: Firefox ESR before 60.2.2 and Firefox before...

CVE-2017-5380

CVE-2017-5380 is a use-after-free vulnerability related to SVG content processing. Connected IBM advisories confirm this CVE ID is present and tie it to vulnerabilities in Mozilla Firefox shipped with IBM Storwize V7000 Unified and IBM SONAS. Affected IBM products and versions are IBM Storwize V7...