CVE-2025-4090

CVE-2025-4090 affects Thunderbird for Android and Firefox/Thunderbird before version 138 (Thunderbird <138; Firefox

CVE-2025-8036

CVE-2025-8036 : Affects Mozilla Firefox (prior to 141, ESR prior to 140.1) and Thunderbird (prior to 141, 140.1). Root cause is caching of CORS preflight responses across IP address changes, enabling bypass of same-origin policy via DNS rebinding. Connected sources corroborate a DNS-rebinding vec...

CVE-2025-8040

CVE-2025-8040 corresponds to memory-safety bugs in Mozilla Firefox/Thunderbird products (Firefox/Thunderbird 140 line, ESR 140.0 and related versions) with evidence of memory corruption that could potentially lead to arbitrary code execution. Affected components are the Firefox and Thunderbird br...

CVE-2012-4218

CVE-2012-4218 involves a use-after-free in Mozilla Firefox’s BuildTextRunsScanner::BreakSink::SetBreaks, affecting Firefox < 17.0, Thunderbird < 17.0, and SeaMonkey

CVE-2025-27426

CVE-2025-27426 affects Firefox for iOS

CVE-2025-3032

The CVE-2025-3032 entry describes a vulnerability in Firefox and Thunderbird where file descriptors leak from the fork server to web content processes, enabling privilege escalation. Affected products are Firefox and Thunderbird versions prior to 137. The root cause is the unintended propagation ...

CVE-2025-4086

CVE-2025-4086 affects Thunderbird for Android and Firefox/ Thunderbird versions earlier than 138. The issue is triggered by a filename containing a large number of encoded newline characters that can obscure the file extension in the download dialog, potentially misleading users about the downloa...

CVE-2025-8038

CVE-2025-8038 corresponds to a Mozilla framing/navigation vulnerability where Thunderbird ignored path checks when validating navigations in a frame. Affected products include Firefox before 141 and Firefox ESR before 140.1, and Thunderbird before 141 and before 140.1. Root cause per the sources ...

CVE-2011-2669

CVE-2011-2669 affects Mozilla Firefox prior to 3.6 due to an issue in certificate validation that can trigger a denial-of-service. Connected sources (e.g., JVN entries) confirm the vulnerability stems from how certificates are validated, with impact described as DoS when loading HTTPS sites with ...

CVE-2017-7766

CVE-2017-7766 is a local privilege-escalation path in Windows Mozilla updater components. An attacker who already has local access can manipulate updater.ini to abuse the Mozilla Windows Updater and Mozilla Maintenance Service, gaining privileged access to execute arbitrary files or delete files....

CVE-2025-4085

CVE-2025-4085 affects Mozilla Firefox (earlier than 138.0) and Mozilla Thunderbird (earlier than 138.0). The issue arises when a content process could abuse the privileged UITour actor to leak sensitive information or escalate privileges. The description consistently identifies the root cause as ...

CVE-2025-5271

Summary : CVE-2025-5271 corresponds to a vulnerability where Devtools’ preview of responses failed to enforce CSP headers, potentially enabling content-injection attacks. The public records indicate affected products include Mozilla Firefox version prior to 139 and Mozilla Thunderbird prior to 13...

CVE-2025-9183

CVE-2025-9183 describes a spoofing vulnerability in Firefox and Firefox ESR, caused by a flaw in the Address Bar component that can enable spoofing. Affected versions are Firefox < 142 and Firefox ESR

CVE-2011-3003

CVE-2011-3003 affects Mozilla Firefox < 7.0 and SeaMonkey

CVE-2021-29958

CVE-2021-29958 affects Firefox for iOS prior to 34. The issue occurs when a download starts without verifying if the browser is in normal or private mode, causing private-mode cookies to be exposed in normal browsing. This is a client-side handling flaw in the download flow that can lead to leaka...

CVE-2026-6754

CVE-2026-6754 is a memory-safety issue (Use-after-free) in the JavaScript Engine component that was fixed in Firefox 150 and related ESR branches, as well as Thunderbird 150/140.x lines. Public advisories confirm the flaw in the JavaScript engine leads to a potentially exploitable memory corrupti...

CVE-2026-8091

CVE-2026-8091 affects Mozilla Audio/Video: Playback with an incorrect boundary condition in the component. It is fixed by updating to Firefox 150, Thunderbird 150, and Firefox ESR 140.10.1 (and 140.10.2 per ESR updates) as well as Firefox ESR 115.35.2. Connected disclosures corroborate this is a ...

CVE-2025-23108

Summary (CVE-2025-23108) : Affects Firefox for iOS ≤ 134. Opening a JavaScript link in a new tab via long-press could allow a malicious script to spoof the URL shown in the new tab, potentially misleading users. Root cause described as a tab URL spoofing issue in the iOS client. Exploitation deta...

CVE-2021-43533

CVE-2021-43533 affects Firefox versions prior to 94. Root cause: during internationalized domain name parsing, high bits of URL characters could be stripped, causing display/inconsistency that could enable phishing or user confusion. Impact: user interaction required; potential phishing risk due ...

CVE-2026-8094

CVE-2026-8094 : A vulnerability in the WebRTC component reported in multiple feeds (CVE-2026-8094) affecting Mozilla Firefox ESR builds and Thunderbird. The available documents identify a WebRTC issue but do not provide detailed root cause, impacted products beyond Firefox ESR and Thunderbird, or...

CVE-2026-8388

CVE-2026-8388 corresponds to a vulnerability in the JavaScript Engine: JIT component with incorrect boundary conditions. Publicly documented fixes indicate Firefox fixed this in Firefox 150.0.3 and in Firefox ESR releases 115.36, 140.11, and Thunderbird 140.11. Connected advisories confirm Firefo...

CVE-2017-5452

CVE-2017-5452 affects Firefox for Android prior to version 53. The issue allows a spoofed address bar on a page when the new page’s location bar is scrolled out of view if an HTML editable element is user-selected. Remediation per the advisory is upgrading to Firefox 53 or newer (the fixed versio...

CVE-2026-2781

CVE-2026-2781 is an integer overflow in the AES-GCM implementation of the Mozilla Network Security Service libraries (NSS) affecting Firefox/Thunderbird suites. Connected advisories confirm the NSS overflow can lead to memory safety concerns, with fixes delivered in Firefox 148 and corresponding ...

CVE-2007-1970

CVE-2007-1970 involves Mozilla Firefox where dynamic HTTP elements created on HTTPS pages via a delayed document.write can mislead users and enable phishing content to be served from unauthenticated sources. The vulnerability is described with a moderate base score (CVSS v2.0 base 5.0) and relate...

CVE-2013-5594

CVE-2013-5594 affects Mozilla Firefox prior to version 25. The issue allows modification of anonymous content in the binding of pluginProblem.xml, indicating an integrity-related vulnerability with no confidentiality or availability impact stated in the provided documents; exploitation details ar...

CVE-2020-15651

The CVE-2020-15651 issue affects Firefox for iOS prior to 28. A Unicode RTL order character in the downloaded file name can be used in the download UI flow to rename the file and change its extension. Connected sources confirm the vulnerability and indicate Mozilla fixed it in Firefox iOS 28 (MFS...

CVE-2026-15719

The CVE-2026-15719 entry refers to Firefox Site isolation in the DOM: Navigation component. Publicly disclosed exploit code exists, but none are documented as in-the-wild attacks in the provided sources. Affected software is Firefox; the vulnerability was fixed in Firefox 152.0.6. The Mozilla adv...

CVE-2007-2176

CVE-2007-2176 affects Mozilla Firefox with an unspecified vulnerability involving Javascript errors that allows remote code execution. The NVD entry reports a CVSS v2 base score of 10.0 (High) with network attack vector and near-total impact (Confidentiality, Integrity, Availability). The descrip...

CVE-2007-4013

CVE-2007-4013 covers multiple unspecified vulnerabilities in Net6Helper.DLL (Net6Launcher Class, 4.5.2 and earlier) and in npCtxCAO.dll (Citrix Endpoint Analysis Client) in a Firefox plugin directory, plus a second npCtxCAO.dll (CAAOControl Object) in Citrix Access Gateway Standard Edition before...

CVE-2017-7770

CVE-2017-7770 describes a spoofing vulnerability in Firefox for Android: when a new tab is loaded via JavaScript events and fullscreen is entered, the address bar may not be rendered, allowing a malicious site to spoof the displayed URL. Affected: Firefox for Android, Firefox

CVE-2009-4129

Technical details about CVE-2009-4129 are not publicly provided in the supplied documents. No concrete information on affected products, versions, impact, or fixes is present here. Monitor for updates from official advisories and vulnerability feeds.

CVE-2026-6752

CVE-2026-6752 is a WebRTC boundary-conditions vulnerability in Mozilla Firefox/Thunderbird. The issue is caused by incorrect boundary conditions in the WebRTC component, leading to potential impact as described in the advisory. The connected sources confirm fixed versions: Firefox 150, Firefox ES...

CVE-2026-6755

CVE-2026-6755 describes a mitigation bypass in the DOM: postMessage component. Affected products reference Mozilla Firefox and Thunderbird; the vulnerability was fixed in Firefox 150 and Thunderbird 150. The CVSSv3.1 base score is 6.5 (Network attack vector, Low attack complexity, Privileges requ...

CVE-2026-6762

CVE-2026-6762 is a spoofing issue in the DOM: Core & HTML component. Connected advisories confirm it affects Firefox/Thunderbird stacks and was fixed in Firefox 150, ESR 115.35, ESR 140.10, Thunderbird 150, and Thunderbird 140.10. The CVSS 3.1 base score is 6.3 (MEDIUM) with NETWORK attack vector...

CVE-2026-6779

CVE-2026-6779 refers to an “Other issue in the JavaScript Engine component” that affects Firefox and Thunderbird. The vulnerability was fixed in Firefox 150 and Thunderbird 150; Fedora advisories also call for updates to NSS and Firefox 150 across affected distros. The connected docs do not provi...

CVE-2026-7324

CVE-2026-7324 involves memory safety bugs in Firefox 150.0.0 and Thunderbird 150.0.0. Some bugs show evidence of memory corruption, with the description noting that, with sufficient effort, some could be exploited to run arbitrary code. The vulnerability was fixed in Firefox 150.0.1. The connecte...

CVE-2020-12404

Summary of CVE-2020-12404 (Firefox iOS): The vulnerability arises in the native-to-JS bridge where a unique token is required to call bridging functions. The token could leak during file download, potentially enabling non-app code to access bridging functionality. Affected product: Firefox for iO...

CVE-2026-2796

CVE-2026-2796 describes a JIT miscompilation in the JavaScript: WebAssembly component that affects Firefox and Thunderbird prior to version 148. The root cause is a JIT miscompilation in the WebAssembly pathway within the JavaScript engine, leading to a high-severity impact (as reflected by the C...

CVE-2026-6763

CVE-2026-6763 is a mitigation bypass in the File Handling component that was fixed in Firefox 150 and Firefox ESR 140.10, and in Thunderbird 150 and Thunderbird 140.10. Connected advisories (ALAS2FIREFOX-2026-058, ALSA-2026:19348, ALSA-2026:15892, ALSA-2… etc.) corroborate that Thunderbird/firefo...

CVE-2026-6771

CVE-2026-6771 is a mitigation bypass in the DOM: Security component. The affected products include Firefox and Thunderbird; the vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. Actionability: update to the listed versions to remediate. Connected...

CVE-2025-8044

CVE-2025-8044 corresponds to memory safety bugs found in Firefox 140 and Thunderbird 140, with memory corruption evidence and a potential to allow arbitrary code execution. Affected products are Firefox and Thunderbird versions earlier than 141. The consolidated sources indicate the issues are me...

CVE-2026-6748

CVE-2026-6748 concerns uninitialized memory in Mozilla’s Audio/Video: Web Codecs component. The Initial CVE page notes fixes in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. Connected advisories from Debian (DSA-6225/DSA-6229) and DLA-4549/4546/NASL entries confirm mul...

CVE-2026-6753

CVE-2026-6753 : This is a memory/boundary-condition vulnerability in the WebRTC component. The initial report identifies the root cause as incorrect boundary conditions in the WebRTC component, with an impact profile of Confidentiality, Integrity, and Availability all rated Low, and an overall CV...

CVE-2026-6765

CVE-2026-6765 affects Firefox and Thunderbird. The vulnerability is an information disclosure in the Form Autofill component. Root cause details are not provided beyond disclosure, but the issue is mitigated by fixes in Firefox 150 , Firefox ESR 140.10 , Thunderbird 150 , and Thunderbird 140.10 ....

CVE-2026-6776

CVE-2026-6776 is a boundary-condition vulnerability in the WebRTC: Networking component that affected Firefox/Thunderbird, fixed in Firefox 150 (and ESR 140.10) and Thunderbird 150 (and ESR 140.10). The explicit issue is an incorrect boundary handling in the WebRTC Networking path, with CVSSv3.1 ...

CVE-2023-37455

The CVE-2023-37455 vulnerability affects Firefox for iOS prior to version 115. A permission-request prompt shown in a background tab overlays the foreground tab, potentially confusing users or leading to unintended interactions. Root cause: UI prompt handling in background context allows overlay ...

CVE-2023-49061

CVE-2023-49061 concerns Firefox for iOS prior to version 120, where the Reader Mode fails to neutralize HTML tags, enabling an attacker to perform HTML template injection and potentially exfiltrate user information. Affected software: Firefox for iOS

CVE-2026-6782

This CVE (CVE-2026-6782) affects the IP Protection component and is addressed by upgrading Firefox to version 150 and Thunderbird to version 150 (per multiple advisories). Public records in Fedora/Nessus notes indicate an information disclosure vulnerability resolved by these upgrades; no detaile...

CVE-2026-12294

CVE-2026-12294 concerns a Sandbox escape in the DOM: Workers component found in Mozilla products. The vulnerability affects Firefox (including Firefox 152 and ESR branches 140.12 and 115.37) and Thunderbird (152 and 140.12). The underlying issue is a sandbox escape in the Workers component, with ...

CVE-2026-6758

CVE-2026-6758: Use-after-free in the JavaScript: WebAssembly component. Affected: Firefox and Thunderbird; fixed in Firefox 150 and Thunderbird 150. CVSS v3.1 base score 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). No explicit exploit details provided in the connected documents.