1914 matches found
CVE-2026-2792
CVE-2026-2792 involves memory safety bugs found in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some flaws showed memory corruption indicators and could potentially be exploited to run arbitrary code; Mozilla fixed these in Firefox 148, Firefox ESR 140.8, Thunderbird...
CVE-2026-4710
CVE-2026-4710 is an Audio/Video boundary-conditions flaw that affects Firefox (including ESR) and Thunderbird. The issue’s root cause is incorrect boundary handling in the Audio/Video component. Public advisories list the impact as high/critical, with CVSS 3.1 base score 9.8 (Impact: Confidential...
CVE-2026-6774
CVE-2026-6774 is a mitigation bypass in the DOM: Security component that affects Firefox and Thunderbird. The issue is described as a bypass of mitigation in the DOM security stack and was fixed in Firefox 150 and Thunderbird 150. The provided metadata indicates a CVSS v3.1 base score of 5.4 (Med...
CVE-2026-74936
A use-after-free in the JavaScript: WebAssembly component of Firefox/Thunderbird can lead to memory corruption and arbitrary code execution. CVSS 9.8 (network, no auth required). Fixed in Firefox 154, ESR 140.14, ESR 153.1, Thunderbird 154, 140.14, and 153.1; Debian and Slackware packages updated...
CVE-2026-74940
CVE-2026-74940 is a use-after-free vulnerability in the Graphics: Text component of Mozilla Firefox and Thunderbird . It carries a CVSS 3.1 score of 9.8 (Critical) with a network attack vector requiring no privileges or user interaction. The Debian advisory notes that the vulnerability could pote...
CVE-2026-74949
CVE-2026-74949 is a privilege escalation vulnerability in Mozilla Firefox and Thunderbird caused by a use-after-free in the Graphics: Canvas2D component. The CVSS 3.1 score is 8.8 (HIGH) , with a network attack vector requiring user interaction but no privileges. Successful exploitation could lea...
CVE-2026-74956
Firefox and Thunderbird's DOM: Service Workers component has a same-origin policy bypass allowing cross-origin data access and manipulation. CVSS 9.1 (critical). Fixed in Firefox 154, ESR 153.1, Thunderbird 154, and 153.1. No exploitation reported in provided documents. Debian/Ubuntu users withou...
CVE-2026-84129
CVE-2026-84129 is a site isolation issue in the DOM: Navigation component of Mozilla's browser and email products. The vulnerability carries a CVSS 3.1 score of 9.8 (CRITICAL) with a network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity,...
CVE-2026-8950
CVE-2026-8950 is a reported same-origin policy bypass in the Networking: HTTP component, with root cause not explicitly detailed in the provided documents. Affected software includes Firefox (fixed in version 151) and Firefox ESR (140.11), as well as Thunderbird (fixed in 151 and 140.11). The CVS...
CVE-2026-8974
CVE-2026-8974 concerns memory-safety bugs in Thunderbird 140.10 and Thunderbird 150 that could enable arbitrary code execution; fixes are available in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. Multiple vendor advisories (e.g., openSUSE SUSE 10813-1, Slackware advis...
CVE-2026-16357
CVE-2026-16357 is a Mozilla Firefox/Firefox ESR vulnerability caused by incorrect boundary conditions in the Graphics component. Affected product: Firefox and Firefox ESR. The issue is tracked with a CVSS 3.1 base score of 9.8 (CRITICAL) with network attack vector, no user interaction, and possib...
CVE-2026-2780
CVE-2026-2780: Privilege escalation in the Netmonitor component of Firefox/Thunderbird. The vulnerability is fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Affected products include Firefox family and Thunderbird; root cause is in the Netmonitor component. Remedi...
CVE-2026-2782
CVE-2026-2782 affects Firefox (Netmonitor component) and is fixed in Firefox 148 and Firefox ESR 140.8, also addressed in Thunderbird 148/140.8. The connected sources corroborate privilege-escalation via Netmonitor across Mozilla products and note remediation as upgrading to Firefox 148+/Thunderb...
CVE-2026-4692
This CVE (CVE-2026-4692) is a confirmed issue in the Responsive Design Mode component, leading to sandbox escape. The primary affected product is Mozilla Firefox (and related ESR builds) with versions prior to the fixed releases: Firefox 149, Firefox ESR 115.34, and Firefox ESR 140.9; Thunderbird...
CVE-2026-74979
A mitigation bypass in Firefox/Thunderbird's Add-ons Manager allows a network-based attacker with no privileges to execute arbitrary code, achieving full confidentiality, integrity, and availability impact. Patches are available in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird ...
CVE-2005-4809
CVE-2005-4809 affects Mozilla Firefox 1.0.1 (and possibly other Mozilla products such as Mozilla and Thunderbird) and describes a UI spoofing issue where an attacker can spoof the URL shown in the Status Bar. The root cause is a crafted A HREF tag that includes a TABLE tag containing another A ta...
CVE-2009-4629
Mozilla Necko DNS Information Disclosure (CVE-2009-4629) affects Thunderbird 3.0.1, SeaMonkey, and related apps. The issue is DNS prefetching triggered even for APP_TYPE_MAIL/APP_TYPE_EDITOR, enabling an attacker to infer a user’s network location by logging DNS requests (e.g., when reading text/...
CVE-2011-3664
Affected software: Mozilla Firefox, Thunderbird, and SeaMonkey on Mac OS X. Vulnerable behavior: plugins can delete a DOM frame, triggering an incorrect pointer dereference that may crash the application (DoS) and potentially other unspecified impacts. Severity: base CVSS 2.0 score 6.8 (MEDIUM). ...
CVE-2026-12297
CVE-2026-12297 describes a sandbox escape caused by incorrect boundary conditions in Mozilla Firefox/Thunderbird networking code. Affects Firefox and Thunderbird components; underlying fault is boundary-condition handling in the Networking component that allowed escape from the sandbox. Impact pe...
CVE-2026-2767
CVE-2026-2767 is a use-after-free vulnerability in the JavaScript: WebAssembly component of Firefox/Thunderbird. Affected products include Firefox (Desktop) and Thunderbird with the WebAssembly implementation; the issue is addressed by fixes in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and...
CVE-2026-2799
CVE-2026-2799 is a use-after-free vulnerability in the DOM: Core & HTML components of Mozilla Firefox and Thunderbird. The issue, identified across multiple advisories, is resolved in Firefox 148 and Thunderbird 148. Public exploit activity is noted in connected sources. Affected products include...
CVE-2026-6757
CVE-2026-6757 corresponds to an invalid pointer in the JavaScript: WebAssembly component. The connected advisories confirm affected products as Firefox (including Firefox 150 and Firefox ESR 140.10) and Thunderbird (150 and 140.10), with fixes in those respective versions. Several entries (ALSA p...
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-2026-74941
Mozilla Firefox's CanvasWebGL graphics component allows privilege escalation. Fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1. CVSS 8.8 (HIGH) with network attack vector requiring user interaction. No exploitation reported in the wild; users should update to the patched versions. ...
CVE-2026-74950
A privilege escalation flaw in the Downloads API component of Firefox and Thunderbird allows network-based attackers to gain elevated privileges with user interaction. Fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1; no exploitation evidence reported by CISA. Updat...
CVE-2026-12313
CVE-2026-12313 affects Firefox and Thunderbird: Information disclosure and sandbox escape in the Security: Process Sandboxing component. The vulnerability is fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12 (per Mozilla advisories and downstream vendor trackers). ...
CVE-2026-2766
CVE-2026-2766 is a use-after-free in the JavaScript Engine: JIT component of Firefox/Firefox ESR that was fixed in Firefox 148, ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Affected products in the provided documents include Firefox-based browsers and Thunderbird; multiple advisories (Astra...
CVE-2026-2775
CVE-2026-2775 is a mitigation bypass in the DOM: HTML Parser component. The initial description states a fix in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Connected sources (Astra Linux bulletin and Amazon Linux advisories) reiterate the same mitig...
CVE-2026-8970
The CVE describes a privilege-escalation in the Firefox Security component. Concrete detail from sources: the flaw is fixed in Firefox 151 and Firefox ESR 140.11. Affected scope is stated only as the Security component; no deeper root cause, affected subcomponents, or explicit exploit paths are p...
CVE-2026-0884
CVE-2026-0884 is a use-after-free in the JavaScript Engine component. Affected products include Firefox (versions before 147 and ESR before 140.7) and Thunderbird (versions before 147 and ESR before 140.7). The issue is confirmed in multiple security advisories and Debian/Distro records. Remediat...
CVE-2026-16392
CVE-2026-16392 concerns a JIT miscompilation in the JavaScript Engine: JIT component. Multiple connected advisories indicate this issue affects Firefox/Thunderbird releases prior to version 153 and has been fixed in Firefox 153 and Thunderbird 153. Public details in the provided documents specify...
CVE-2026-2760
CVE-2026-2760 is a Firefox/Thunderbird Firefox Graphics: WebRender sandbox escape caused by incorrect boundary conditions. Multiple public advisories confirm the issue and that it is fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Affected comp...
CVE-2026-74986
A site isolation flaw in Firefox/Thunderbird's CSS Parsing and Computation component allows cross-origin data leakage. NVD rates it CVSS 9.1 (network, no auth). No active exploitation confirmed; patch in Firefox 154, ESR 153.1, Thunderbird 154, and 153.1. Update affected browsers immediately.
CVE-2026-8958
This CVE affects the Firefox Security: Process Sandboxing component and related Thunderbird variants, causing information disclosure and sandbox escape. The NVD/NVDC and CVE records state fixes in Firefox 151 and Firefox ESR 140.11, and in Thunderbird 151 and 140.11, addressing the underlying san...
CVE-2008-5430
CVE-2008-5430 affects Mozilla Thunderbird 2.0.14 and is tied to handling of multipart/mixed e-mails with many MIME parts and possibly many headers of the form Content-type: message/rfc822;. The root cause is improper processing leading to denial of service through large messages (resource/stack c...
CVE-2026-12328
CVE-2026-12328 pertains to memory safety bugs in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151, and Thunderbird 151. Some bugs showed memory corruption and could potentially be exploited to run arbitrary code. Remediations are available: Firefox 152, Firefox ESR 140....
CVE-2026-16372
CVE-2026-16372 — Privilege escalation in the DOM: Content Processes component. Affected products: Firefox and Thunderbird. The provided documents do not reveal the exact root cause or vulnerable files. CVSS 3.1 base score 8.8 (HIGH) with Network access, no privileges required, user interaction ne...
CVE-2026-16379
Technical details for CVE-2026-16379 are not provided in the supplied documents. The initial entry mentions privilege escalation in the DOM Content Processes component and fixes in Firefox/Thunderbird versions, but lacks root cause, affected products, or remediation specifics.
CVE-2026-2777
CVE-2026-2777 is a privilege-escalation vulnerability in the Firefox/Thunderbird Messaging System component. The issue is fixed in Firefox 148, Firefox ESR 115.33/140.8, Thunderbird 148, and Thunderbird 140.8. Connected sources (Astra Linux, AWS advisories, Debian security notes) confirm the same...
CVE-2026-74978
CVE-2026-74978 is a clickjacking issue in the Firefox/Thunderbird Widget component. Affected versions include Firefox ESR 153.0 and Thunderbird 153/153.0; fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1. CVSS 8.1 HIGH. No in-the-wild exploitation reported. Upgrade ...
CVE-2026-74985
Privilege escalation in the Enterprise Policies component of Firefox and Thunderbird allows an attacker with no privileges to gain elevated access. Affected products include Firefox (all versions below 154), Firefox ESR (below 153.1), Thunderbird (below 154), and Thunderbird ESR (below 153.1). Th...
CVE-2026-8956
The CVE-2026-8956 issue is an integer overflow in the Networking: JAR component. Affected products include Firefox (includes Firefox 151 and Firefox ESR 140.11) and Thunderbird (incl. Thunderbird 151 and Thunderbird 140.11). The root cause is an integer overflow within the JAR networking module, ...
CVE-2006-0836
CVE-2006-0836 : Affected product is Mozilla Thunderbird 1.5. The issue allows user-assisted attackers to cause an unspecified denial of service by convincing a user to import an LDIF file containing a long field (demonstrated by a long homePhone field) into the address book. The available connect...
CVE-2026-12327
CVE-2026-12327 relates to memory safety bugs in Mozilla products: Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151, and Thunderbird 151. Some bugs showed evidence of memory corruption and could potentially be exploited to run arbitrary code. The issue was fixed in Firefox 152, Firefox ESR ...
CVE-2026-2762
CVE-2026-2762 is an integer overflow in the JavaScript: Standard Library component that affects Firefox (non-ESR) and related Mozilla products. The issue is confirmed fixed in Firefox 148 and Firefox ESR 140.8, as well as Thunderbird 148 and Thunderbird 140.8. Connected advisories (Astra Linux bu...
CVE-2026-2787
CVE-2026-2787 is a use-after-free in the DOM: Window and Location component, with fixes in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Connected sources corroborate the issue in Firefox-related components and list the affected products as Firefox/Th...
CVE-2026-74957
CVE-2026-74957 is a mitigation bypass in the Safe Browsing component of Mozilla Firefox and Thunderbird. The CVSS 3.1 score is 8.1 (HIGH) with a vector of AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N, indicating that a remote attacker can exploit this with low complexity and user interaction to achieve hi...