CVE-2012-3989

CVE-2012-3989 affects Mozilla Firefox (and related Mozilla products) prior to version 16.0, Thunderbird prior to 16.0, and SeaMonkey prior to 2.13. The vulnerability is a crash caused by an invalid cast when using the instanceof operator on certain JavaScript objects, which could allow remote att...

CVE-2012-5830

CVE-2012-5830 is a use-after-free vulnerability in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 on Mac OS X that allows remote attackers to execute arbitrary code via an HTML document. The con...

CVE-2013-6671

CVE-2013-6671 affects Mozilla Firefox before 26.0 (and corresponding ESR/Thunderbird/SeaMonkey releases listed) where nsGfxScrollFrameInner::IsLTR can be abused by crafted JavaScript used with ordered list elements to trigger remote code execution. The vulnerability is a browser-engine issue that...

CVE-2025-3523

Vulnerability in Thunderbird where the X-Mozilla-External-Attachment-URL header is processed such that only the last external link is shown on hover for multi-attachment messages. The hover text can mislead users into downloading content from untrusted sources, while the correct link is used on c...

CVE-2013-0767

CVE-2013-0767 affects Mozilla Firefox (and related Mozilla components) with the nsSVGPathElement::GetPathLengthScale path handling. The vulnerability allows remote attackers to execute arbitrary code or cause a denial of service via an out-of-bounds read, reported for Firefox before 18.0, ESR 10....

CVE-2017-7750

CVE-2017-7750 describes a use-after-free in video control operations when a element holds a reference to an older window that has been replaced in the DOM, leading to a potentially exploitable crash. Affected products and versions from the connected records include Mozilla Firefox < 54, Firef...

CVE-2018-5162

CVE-2018-5162 is a Thunderbird information-disclosure vulnerability where plaintext of decrypted emails can leak through the src attribute of remote images or links. Affected products include Thunderbird ESR and Thunderbird before version 52.8. The root cause is plaintext leakage via image/src ha...

CVE-2017-7754

CVE-2017-7754 is an out-of-bounds read in WebGL when processing a malicious ImageInfo object during WebGL operations. Affected products/versions per connected docs: Firefox versions prior to 54 and Firefox ESR prior to 52.2, and Thunderbird prior to 52.2. The vulnerability stems from an improper ...

CVE-2025-3875

CVE-2025-3875 affects Thunderbird. The issue arises from how Thunderbird parses addresses, allowing sender spoofing if the server permits an invalid From address; e.g., a From header value like "Spoofed Name" can cause the address to appear as [email protected]. Impact is spoofing of From: head...

CVE-2007-0777

CVE-2007-0777 affects Mozilla Firefox before 1.5.0.10 and 2.x before 2.0.0.2, as well as Thunderbird before 1.5.0.10 and SeaMonkey before 1.0.8. The issue is a memory corruption vulnerability in the JavaScript engine that can be triggered by crafted JavaScript, resulting in a crash and possibly a...

CVE-2013-0766

CVE-2013-0766 is a use-after-free in the ~nsHTMLEditRules implementation affecting Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.1, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x before 17.0.1, and SeaMonkey before 2.15. The vulnerabili...

CVE-2025-3932

The CVE-2025-3932 issue concerns Thunderbird where an email could display a tracking link as an attachment; when opened, Thunderbird could access the external URL via the X-Mozilla-External-Attachment-URL header despite remote content blocking. Affected products: Thunderbird versions earlier than...

CVE-2013-0778

CVE-2013-0778 affects Mozilla Firefox (pre-19.0), Thunderbird (pre-17.0.3), and SeaMonkey (pre-2.16). The issue stems from use-after-free and out-of-bounds/read vulnerabilities in the browser components (notably flagged in MFSA 2013-28), enabling remote code execution or denial of service via uns...

CVE-2017-5399

CVE-2017-5399 is a memory-safety vulnerability affecting Firefox and Thunderbird prior to version 52. Several connected advisories (e.g., Arch Linux ASA-201703-3, DEBIAN CVE tracker, MFSA2017-09) describe memory-safety bugs that could lead to arbitrary code execution or crashes. The documented re...

CVE-2017-7756

CVE-2017-7756 is a use-after-free/use-after-scope vulnerability affecting Firefox <54, Firefox ESR <52.2, and Thunderbird

CVE-2017-7825

The CVE-2017-7825 entry describes an OS X–specific issue where several fonts render Tibetan and Arabic characters as whitespace. When such characters appear in an IDN in the address bar, they enable domain name spoofing. Affected products include Mozilla Firefox versions earlier than 56 and Firef...

CVE-2017-7829

CVE-2017-7829 is a Thunderbird vulnerability in which the sender’s address can be spoofed. The real sender is hidden if a null character precedes the display string, causing the recipient to see an arbitrary address. Affected product is Mozilla Thunderbird prior to 52.5.2. The issue is described ...

CVE-2021-4127

CVE-2021-4127 concerns an out-of-date Angle graphics library used by Mozilla Thunderbird and Firefox ESR, affecting Thunderbird < 78.9 and Firefox ESR

CVE-2012-4205

CVE-2012-4205 affects Mozilla Firefox (prior to 17.0), Mozilla Thunderbird (prior to 17.0), and SeaMonkey (prior to 2.14). The root cause, per the description, is that XMLHttpRequest objects created in sandboxes are assigned the system principal rather than the sandbox principal, enabling CSRF ag...

CVE-2017-7848

CVE-2017-7848 affects Mozilla Thunderbird prior to 52.5.2. The issue allows RSS fields to inject new lines into the created email structure, altering the message body. Public entries and advisories confirm Thunderbird upgrades to 52.5.2 as the fix (e.g., CentOS/RHSA-2018:0061, Debian DSA-4075-1 a...

CVE-2012-4209

Mode C: The CVE-2012-4209 issue affects Mozilla-based components used in MiracleLinux 4 (firefox-10.0.11-1.0.1.AXS4, xulrunner-10.0.11-1.0.1.AXS4) and is described as allowing cross-site scripting by abusing top frame name and location access. Affected products include Mozilla Firefox and Firefox...

CVE-2014-1511

CVE-2014-1511 affects Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25. The issue is described as a remote bypass of the popup blocker via unspecified vectors. Public security advisories in 2014 consolidate Firefox/Thunderbird/SeaMonkey...

CVE-2012-1973

CVE-2012-1973 is a use-after-free vulnerability in Mozilla Firefox family components. The issue arises in nsObjectLoadingContent::LoadObject, affecting Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12. Expl...

CVE-2012-3961

CVE-2012-3961 is a use-after-free in the RangeData implementation affecting Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0/ESR 10.x before 10.0.7, and SeaMonkey before 2.12. Exploitation could allow remote code execution or a denial of service via heap memory...

CVE-2013-0770

CVE-2013-0770 affects Mozilla Firefox (pre-18.0), Thunderbird (pre-17.0.2), and SeaMonkey (pre-2.15). The issue is described as multiple unspecified vulnerabilities in the browser engine that can cause memory corruption and application crashes, with potential for arbitrary code execution via unkn...

CVE-2017-7764

CVE-2017-7764 concerns a domain spoofing issue in the address bar caused by mixing Canadian Syllabics with Latin characters in IDN rendering. Affected products include Firefox before 54, Firefox ESR before 52.2, and Thunderbird before 52.2. The vulnerability arises from the Unicode handling that ...

CVE-2012-4191

Technical details about CVE-2012-4191 (affected products, root cause, impact, or fixes) are not provided in the connected documents. Please monitor for updates.

CVE-2012-3985

CVE-2012-3985 is a vulnerability in Mozilla Firefox, Thunderbird, and SeaMonkey where the HTML5 Same Origin Policy could be violated, allowing initial-origin access after document.domain is set and potentially enabling cross-site scripting (XSS). Affected versions are Firefox/Thunderbird/SeaMonke...

CVE-2013-0769

CVE-2013-0769 refers to multiple unspecified vulnerabilities in the Mozilla browser engine that could cause memory corruption and application crashes, potentially enabling remote code execution. Affected products and versions cited in connected docs include Mozilla Firefox before 18.0, Firefox ES...

CVE-2012-1974

CVE-2012-1974 is a use-after-free vulnerability in gfxTextRun::CanBreakLineBefore affecting Mozilla Firefox (and related apps like Thunderbird/SeaMonkey) prior to version 15.0, with remote code execution or a denial of service via unspecified vectors. The connected Nessus entries confirm the CVE ...

CVE-2012-1975

CVE-2012-1975 is a Use-after-free vulnerability in PresShell::CompleteMove affecting Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12. It potentially allows remote code execution or a denial of serv...

CVE-2012-4187

CVE-2012-4187 is listed in the MiracleLinux/Miracle Linux AXSA advisory as affecting Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13. The vulnerability is described as an issue with managing a cert...

CVE-2012-4208

CVE-2012-4208 affects Mozilla Firefox ≤ prior to 17.0, Thunderbird ≤ prior to 17.0, and SeaMonkey ≤ 2.13/2.14. The XrayWrapper did not consider compartment during property filtering, allowing remote sites to bypass chrome-only restrictions on reading DOM object properties. Impact per description:...

CVE-2025-26695

CVE-2025-26695 is a Thunderbird vulnerability where an incorrect padding size is used when requesting an OpenPGP key from a WKD server, enabling a network observer to learn the length of the requested email address. Affected: Thunderbird versions prior to 136 and prior to 128.8. Remediation: upgr...

CVE-2012-4204

The CVE-2012-4204 entry describes a memory-corruption/remote-code-execution vulnerability in Mozilla Firefox’s JavaScript engine (str_unescape) affecting Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14, exploitable via unspecified vectors. Connected documents indicate rela...

CVE-2013-0782

CVE-2013-0782 is a heap-based buffer overflow in Mozilla’s nsSaveAsCharset::DoCharsetConversion that affects Firefox before 19.0, ESR 17.x before 17.0.3, Thunderbird before 17.0.3, and SeaMonkey before 2.16. The connected documents confirm this vulnerability and show affected components include F...

CVE-2025-1943

CVE-2025-1943 covers memory-safety bugs in Mozilla Firefox 135 and Thunderbird 135, affecting Firefox < 136 and Thunderbird

CVE-2012-3957

Affected components: Mozilla Firefox before 15.0 (and Firefox ESR 10.x before 10.0.7), Thunderbird before 15.0 (and Thunderbird ESR 10.x before 10.0.7), SeaMonkey before 2.12.** Vulnerability and root cause: Heap-based buffer overflow in nsBlockFrame::MarkLineDirty, enabling remote code execution...

CVE-2013-0763

CVE-2013-0763 is a use-after-free vulnerability in Mozilla Firefox (pre-18.0) and Firefox ESR 17.x (pre-17.0.1), Thunderbird (pre-17.0.2/ESR 17.x pre-17.0.1), and SeaMonkey (pre-2.15). It is triggered via Mesa driver interactions and a resized WebGL canvas, potentially allowing remote attackers t...

CVE-2013-0759

CVE-2013-0759 affects Mozilla Firefox (and related Mozilla components) prior to version 18.0, Firefox ESR prior to 10.0.12 and 17.0.2, Thunderbird prior to 17.0.2 and ESR prior to 10.0.12/17.0.2, and SeaMonkey prior to 2.15. The vulnerability allows remote attackers to spoof the address bar by ex...

CVE-2017-7757

CVE-2017-7757 is a use-after-free vulnerability in IndexedDB that can occur when an IndexedDB object is destroyed while a method on it is executing, potentially causing a crash. Affected products include Firefox versions before 54, Firefox ESR before 52.2, and Thunderbird before 52.2. The issue a...

CVE-2025-8032

CVE-2025-8032 involves an XSLT loading flaw where the source document was not propagated, allowing a CSP bypass in Mozilla components. Affected products/versions (per provided sources): Firefox and Thunderbird lines including Firefox < 141, Firefox ESR < 128.13 and < 140.1, Thunderbird &...

CVE-2017-7847

Mozilla Thunderbird prior to 52.5.2 is affected by CVE-2017-7847 through crafted CSS in an RSS feed that can leak local path strings (potentially including user names). The underlying issue is leakage via RSS processing of CSS. Impact is information disclosure; exploitation details are not provid...

CVE-2025-26696

CVE-2025-26696 affects Mozilla Thunderbird and is triggered by certain crafted MIME messages that claim to contain an encrypted OpenPGP message but actually contain an OpenPGP signed message, causing the UI to mis-display the content as encrypted. Public references in connected documents corrobor...

CVE-2025-9179

CVE-2025-9179 describes a memory corruption vulnerability in the GMP process used by Firefox/Thunderbird for encrypted media handling, with privileges that are sandboxed yet could allow total impact (CVE-2025-9179). Affected products include Firefox < 142, Firefox ESR < 115.27/128.14/140.2,...

CVE-2006-6501

CVE-2006-6501 affects Mozilla Firefox 2.x before 2.0.0.1, Firefox 1.5.x before 1.5.0.9, SeaMonkey before 1.0.7, and Thunderbird/SeaMonkey-family components as noted in connected advisories. The issue is a privilege-escalation via the watch Javascript function that could allow remote code executio...

CVE-2010-0159

CVE-2010-0159 affects Mozilla-based browsers including Firefox 3.0.x (before 3.0.18) and 3.5.x (before 3.5.8), Thunderbird before 3.0.2, and SeaMonkey before 2.0.3. The vulnerability arises from memory-corruption in layout handling, specifically in nsBlockFrame::StealFrame and related vectors, al...

CVE-2006-6503

CVE-2006-6503: Affected Mozilla Firefox 2.x before 2.0.0.1, Mozilla Firefox 1.5.x before 1.5.0.9, Mozilla Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7. The issue allows bypassing cross-site scripting (XSS) protection by changing the src attribute of an IMG element to a javascript: URI. ...

CVE-2025-6436

CVE-2025-6436 relates to memory safety bugs in Firefox 139 and Thunderbird 139 that could allow memory corruption and potentially run arbitrary code. Affected products are Firefox and Thunderbird versions before 140. The Mozilla advisories MFSA2025-54 and MFSA2025-51 describe the nature of the is...

CVE-2026-7321

CVE-2026-7321 describes a sandbox escape vulnerability in the WebRTC: Networking component, caused by incorrect boundary conditions. Affected product is Firefox ESR; the issue was fixed in Firefox ESR 140.10.1. The NVD entry lists a HIGH/CRITICAL impact profile with network attack vector, requiri...