CVE-2023-5721

CVE-2023-5721 describes a UX vulnerability where certain browser prompts and dialogs could be activated or dismissed unintentionally by users due to an insufficient activation-delay. Affected products/versions per provided documents: Firefox prior to 119, Firefox ESR prior to 115.4, and Thunderbi...

CVE-2019-11720

CVE-2019-11720 affects Mozilla Firefox before version 68. The issue arises when certain unicode characters are incorrectly treated as whitespace during web content parsing, allowing malicious code to be processed and bypass XSS filtering. The consequence is remote execution of scripts within the ...

CVE-2020-15657

CVE-2020-15657 is a Windows-specific DLL hijacking flaw in Mozilla Firefox (and Thunderbird) where attacker-controlled DLLs in the installation directory could be loaded. Affected: Firefox ESR < 78.1, Firefox < 79, Thunderbird

CVE-2019-11721

CVE-2019-11721 affects Mozilla Firefox prior to 68.0. The vulnerability allows spoofing of the address bar via the unicode latin 'kra' character, which can cause domain spoofing and user confusion because it may not display as punycode. The connected documents indicate Firefox versions before 68....

CVE-2020-12421

CVE-2020-12421 describes a flaw where add-on updates could reject certificate chains terminating in non-built-in roots, causing add-ons to appear out-of-date without user notification. Public advisories place affected products as Mozilla Firefox ESR (<68.10) and Firefox (<78) and Thunderbird (

CVE-2021-43542

CVE-2021-43542 is a information-disclosure vulnerability involving XMLHttpRequest: error messages could reveal the existence of an external protocol handler, enabling an attacker to identify installed applications. Connected sources indicate the issue affects Thunderbird < 91.4.0, Firefox ESR ...

CVE-2020-12419

CVE-2020-12419 describes a use-after-free in the browser/windowing code: during processing of callbacks in window flushing in the parent process, a window may die, leading to memory corruption and a potentially exploitable crash. Affected products in the provided docs include Thunderbird and Fire...

CVE-2012-0444

CVE-2012-0444 describes a heap-based memory corruption vulnerability in the libvorbis Ogg Vorbis parser that could allow remote code execution or a crash when processing crafted Ogg Vorbis files. Affected products across Mozilla ecosystem (Firefox, Thunderbird, Seamonkey and related XULRunner/Ice...

CVE-2019-11718

CVE-2019-11718 affects Mozilla Firefox (before 68.0). The issue arises from Activity Stream writing unsanitized content to innerHTML, enabling potential access to information such as browsing history if the Snippet Service is compromised. The CVE is documented with a CVSS v3.1 base score of 5.3 (...

CVE-2020-15678

CVE-2020-15678 involves a use-after-free in the Gecko rendering stack due to improper iterator invalidation in APZCTreeManager::ComputeClippedCompositionBounds when recursing through graphical layers during scrolling. Affected products include Firefox (before 81), Thunderbird (before 78.3), and F...

CVE-2020-35112

CVE-2020-35112 is a Windows-specific issue in Mozilla Firefox (affecting Firefox <84, Thunderbird <78.6, and Firefox ESR

CVE-2020-26966

CVE-2020-26966 affects Mozilla Firefox (Windows only) and Thunderbird; the issue arises from a memory leak via broadcasting of single-word search queries as mDNS requests on the local network. Affected products include Firefox before version 83, Firefox ESR before 78.5, and Thunderbird before 78....

CVE-2020-26973

The provided connected sources confirm CVE-2020-26973 affects Mozilla Firefox and Thunderbird, tied to the CSS Sanitizer. Affected versions include Firefox prior to 84 and Thunderbird prior to 78.6 (Firefox ESR

CVE-2022-45403

CVE-2022-45403 describes a vulnerability where Service Workers could infer the size of cross-origin media by correlating timing information with Range requests, potentially exposing presence/length of a media file. Affected: Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox

CVE-2013-0753

CVE-2013-0753 is a Use‑after‑free vulnerability in Mozilla Firefox’s XMLSerializer.serializeToStream, affecting Firefox before 18.0 (and ESR/Thunderbird/SeaMonkey variants) and allowing remote code execution via crafted content. The issue is exploitable as part of Firefox 17.x lineage; Metasploit...

CVE-2020-15677

CVE-2020-15677 is an Open Redirect vulnerability affecting Firefox < 81, Thunderbird < 78.3, and Firefox ESR

CVE-2023-4574

CVE-2023-4574 involves a use-after-free in the IPC ColorPickerShownCallback: creating multiple identical callbacks for the Color Picker over IPC, then destroying them all when one finishes. Affected: Firefox < 117, Firefox ESR < 102.15/115.2, Thunderbird

CVE-2023-4584

CVE-2023-4584 relates to memory safety bugs in Firefox and Thunderbird affecting multiple versions (e.g., Firefox 116/ESR 102.x/ Thunderbird 102.x/115.x). Connected advisories confirm the issue and map to Firefox/Thunderbird versions and the remediation path: upgrade to Firefox 117 or ESR 102.15/...

CVE-2023-4585

CVE-2023-4585 describes memory safety bugs in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1, with evidence of memory corruption and the potential for arbitrary code execution. Affected versions are Firefox < 117, Firefox ESR < 115.2, and Thunderbird

CVE-2020-15654

CVE-2020-15654 affects Mozilla Firefox and Thunderbird where a site-based CSS-override cursor can overlay the UI, causing a perceived broken state and interfering with dialogs. Affected: Firefox ESR earlier than 78.1, Firefox earlier than 79, and Thunderbird earlier than 78.1. Root cause: an erro...

CVE-2020-15670

CVE-2020-15670 involves memory safety bugs in Mozilla Firefox components, affecting Firefox for Android 79 and other Firefox variants prior to 80, including Firefox ESR < 78.2 and Thunderbird

CVE-2019-11725

CVE-2019-11725 affects Mozilla Firefox prior to version 68. The issue is that when a user navigates to a site flagged as unsafe by Safebrowsing, Firefox displays a warning and interrupts navigation, but resources loaded from the same site via websockets are not blocked, allowing unsafe resources ...

CVE-2020-12410

Summary of CVE-2020-12410 : Mozilla reported memory safety bugs in Firefox 76 and Firefox ESR 68.8, which could lead to memory corruption and possibly arbitrary code execution. Affected products and versions per provided docs: Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR

CVE-2020-12415

CVE-2020-12415 describes AppCache manifest poisoning in Firefox when a URL contains a %2F, which could allow serving a manifest from a subdirectory and potentially cause the appcache to service top-level directory requests. Public references confirm this vulnerability affects Firefox versions ear...

CVE-2023-4581

CVE-2023-4581 covers a blocklist gap where Excel .xll add-in files could be downloaded without warnings due to Firefox’s executable blocklist lacking an entry. Affected products/versions shown in the documents: Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 10...

CVE-2023-5168

CVE-2023-5168 refers to a vulnerability in Firefox on Windows where a compromised content process could supply malicious data to FilterNodeD2D1, causing an out-of-bounds write and potentially crashing a privileged process. The entry notes a high/critical risk with a base score of 9.8 (CVSSv3.1) a...

CVE-2019-11710

CVE-2019-11710 concerns Mozilla Firefox memory-safety bugs in the browser engine present before Firefox 68. The cited issues allow a remote attacker to potentially execute arbitrary code (and cause DoS) by convincing a user to visit a crafted site. The IBM advisory consolidates multiple CVEs incl...

CVE-2019-11728

CVE-2019-11728 affects Mozilla Firefox prior to 68. The issue arises from the Alt-Svc (HTTP Alt-Svc) header which a malicious site can leverage to scan all TCP ports of hosts reachable by a user when web content is loaded. Impact is limited to information exposure via port discovery; no explicit ...

CVE-2019-11758

CVE-2019-11758 is a memory-safety bug in Mozilla Firefox that can lead to arbitrary code execution when 360 Total Security is installed. The advisory notes it affects Firefox versions before 69, Thunderbird before 68.2, and Firefox ESR before 68.2. Public documentation in connected sources confir...

CVE-2020-15676

CVE-2020-15676 affects Firefox (and related Mozilla products) where the onload handler for SVG elements could run after the DOM sanitizer removed content, enabling JavaScript execution when pasting attacker-controlled data into a contenteditable area. Affected versions: Firefox < 81, Thunderbi...

CVE-2022-4066

CVE-2022-4066 affects the davidmoreno onion project. The vulnerability is in onion_response_flush (src/onion/response.c) within the Log Handler, where manipulation leads to resource allocation. A patch identified as de8ea938342b36c28024fd8393ebc27b8442a161 is available; applying the patch is reco...

CVE-2023-25751

CVE-2023-25751 affects Firefox and Thunderbird: root cause is incorrect code generation during JIT code invalidation when following an iterator, which could lead to a potentially exploitable crash. Affected: Firefox <=111 and Firefox ESR <=102.8/9, Thunderbird

CVE-2015-4497

CVE-2015-4497 affects Mozilla Firefox (and Iceweasel) prior to Firefox 40.0.3 and Firefox ESR prior to 38.2.1, due to a use-after-free in CanvasRenderingContext2D when a canvas is resized during restyling. This can allow a remote attacker to execute arbitrary code. Remediation: upgrade to Firefox...

CVE-2018-12392

CVE-2018-12392 is a vulnerability affecting Firefox (pre-63 and ESR pre-60.3) and Thunderbird (pre-60.3) where manipulating user events in nested loops while opening a document via script can trigger a crash due to poor event handling. Public advisories list the impact as a potentially exploitabl...

CVE-2024-0741

CVE-2024-0741 describes an out-of-bounds write in ANGLE that could corrupt memory and cause a potentially exploitable crash. Affected software includes Firefox up to version 121/122 and Firefox ESR up to 115.7, as well as Thunderbird up to 115.7. The connected advisories indicate the root cause i...

CVE-2020-12422

CVE-2020-12422 affects Mozilla Firefox (non-standard configurations). The root cause is an integer overflow in nsJPEGEncoder::emptyOutputBuffer when handling a JPEG image created by JavaScript, leading to an out-of-bounds write and memory corruption that could cause a crash. The vulnerability is ...

CVE-2023-4583

CVE-2023-4583 concerns a logic issue in the HTTP/Browsing Context handling within Mozilla Firefox/Thunderbird. The flaw occurs when HttpBaseChannel checks whether a Browsing Context has been discarded; if the load group is unavailable, it may assume discard even for private channels after a priva...

CVE-2020-12416

CVE-2020-12416 describes a use-after-free in the WebRTC path where VideoStreamEncoder may be freed in a race with VideoBroadcaster::AddOrUpdateSink, causing memory corruption and a potentially exploitable crash. The vulnerability affects Mozilla Firefox releases before 78. The issue is mitigated ...

CVE-2023-4573

The CVE-2023-4573 issue is a memory corruption/use-after-free in Mozilla's IPC path (mStream) that can be triggered when rendering data is received via IPC. Connected documents confirm affected products include Firefox and Thunderbird (multiple ESR branches) with vulnerable components tied to IPC...

CVE-2023-4580

CVE-2023-4580 : Pushed notifications stored on disk in private browsing mode were not encrypted, potentially leaking sensitive information. Affected: Firefox < 117, Firefox ESR < 115.2, Thunderbird

CVE-2010-3177

CVE-2010-3177 affects Mozilla Firefox (before 3.5.14 and before 3.6.11) and SeaMonkey (before 2.0.9). The issue is a cross-site scripting (XSS) vulnerability in the Gopher parser that allows remote attackers to inject arbitrary script or HTML via the name of a file or directory on a Gopher server...

CVE-2020-12424

Vulnerability CVE-2020-12424 affects Firefox earlier than 78, where a WebRTC permission prompt could be bypassed if a URI from the content process was untrusted and potentially the origin that had been previously granted permission. Connected advisories and vendor updates indicate this issue was ...

CVE-2013-0758

CVE-2013-0758 affects Mozilla Firefox (pre-18.0), Firefox ESR (pre-10.0.12 and pre-17.0.2), Thunderbird (pre-17.0.2, including ESR 10.x pre-10.0.12 and pre-17.0.2), and SeaMonkey (pre-2.15). It allows remote attackers to execute arbitrary JavaScript with chrome privileges due to improper interact...

CVE-2020-15655

CVE-2020-15655 affects Mozilla Firefox (including ESR) and Thunderbird, where a redirected HTTP request observed or modified through a web extension could bypass Same-Origin Policy via extension APIs, potentially disclosing cross-origin information. Affected versions include Firefox ESR <78.1,...

CVE-2023-5728

CVE-2023-5728 : In the Firefox/Thunderbird stack, during garbage collection extra operations on an object that should not be touched could lead to a potentially exploitable crash. Affected: Firefox < 119, Firefox ESR < 115.4, and Thunderbird

CVE-2019-9801

CVE-2019-9801 affects Mozilla Firefox and Thunderbird on Windows. The issue allows Firefox/Thunderbird to treat any registered Program ID as an external protocol handler and offer to launch a local application when a matching URL is opened, even if the program is not intended as a URL handler. Ro...

CVE-2019-9818

CVE-2019-9818 is a use-after-free in the crash generation server used by Mozilla Firefox/Thunderbird on Windows. The issue, described as a race condition in the crash reporter server, can lead to a potentially exploitable crash and sandbox escape. Public references indicate the vulnerability affe...

CVE-2021-38498

The CVE-2021-38498 entry describes a use-after-free of the nsLanguageAtomService (languages service object) during process shutdown, causing memory corruption and potentially a crash. Affected products include Firefox < 93, Thunderbird < 91.2, and Firefox ESR

CVE-2024-0743

CVE-2024-0743 describes an unchecked return value in TLS handshake code that could cause a potentially exploitable crash. Affected products per the provided documents are Mozilla Firefox (including ESR) and Thunderbird prior to the patched versions: Firefox < 122, Firefox ESR < 115.9, and T...

CVE-2019-11749

CVE-2019-11749 describes an information-disclosure vulnerability in WebRTC: malicious content can probe the getUserMedia constraints to reveal camera device properties without user prompt, enabling potential user fingerprinting. Affected products are Firefox prior to 69 and Firefox ESR prior to 6...