CVE-2017-5434

CVE-2017-5434 is a use-after-free in Firefox/Thunderbird related to focus-handling that can cause a potentially exploitable crash. Public details in connected advisories show the flaw affects Firefox versions before 53 (and ESR branches before 53/52.1) with Firefox 53+ fixes and ESR updates deliv...

CVE-2017-5438

CVE-2017-5438 is a use-after-free in XSLT processing caused by the result handler being held by a freed handler. Publicly documented impact includes crashes and potential code execution in affected Mozilla products. Affected: Firefox

CVE-2017-7785

CVE-2017-7785 is a buffer overflow in ARIA attribute handling within the DOM that affects Thunderbird (< 52.3) and Firefox components (Firefox ESR < 52.3, Firefox

CVE-2019-11704

CVE-2019-11704 affects Mozilla Thunderbird via the libical-based iCal parser. It is a heap-based overflow in icalmemory_strdup_and_dequote (icalvalue.c) that can crash or be exploitable when processing calendar data in certain emails, affecting Thunderbird

CVE-2022-22744

CVE-2022-22744 affects Thunderbird for Windows via the DevTools Copy as curl feature, where the constructed curl command was not properly escaped for PowerShell, potentially allowing command injection when pasted into a PowerShell prompt. Public details indicate affected software includes Thunder...

CVE-2022-36318

CVE-2022-36318 involves directory listings for chrome:// URLs where some URL parameters were reflected. The connected documents show affected products: Firefox (including ESR lines) and Thunderbird, across multiple distributions. The underlying issue is reflected parameters in directory indexes f...

CVE-2023-0547

CVE-2023-0547 affects Mozilla Thunderbird (68–102.9.1); OCSP revocation status for S/MIME recipient certificates was not checked, allowing revoked certs to be accepted. Multiple connected advisories confirm Thunderbird versions up to 102.9.1 are impacted. Remediation: upgrade Thunderbird to 102.1...

CVE-2023-37201

CVE-2023-37201 is a WebRTC-related use-after-free in Firefox/Thunderbird: an attacker could trigger memory corruption during HTTPS WebRTC setup. Affected: Firefox <115, Firefox ESR <102.13, Thunderbird

CVE-2023-5727

CVE-2023-5727 affects Mozilla Firefox and Thunderbird prior to certain versions. The vulnerability arises when downloading Windows app packages (.msix, .msixbundle, .appx, .appxbundle): the executable file warning was not presented, potentially allowing commands to run on a user’s machine. Affect...

CVE-2023-6861

The CVE-2023-6861 issue is a heap buffer overflow in nsWindow::PickerOpen(void) when Firefox/Thunderbird run in headless mode. Affected products: Firefox ESR <115.6, Thunderbird <115.6, and Firefox

CVE-2017-5441

CVE-2017-5441 is a use-after-free in Mozilla Firefox (and related Mozilla products) that occurs when holding a text selection during scroll events, leading to a potentially exploitable crash. Affected: Firefox < 53 (and ESR lines), Thunderbird < 52.1, Firefox ESR

CVE-2017-7793

CVE-2017-7793 is a use-after-free in Thunderbird/Fetch API where the worker or window is freed while in use, leading to a potentially exploitable crash. Public details reference Thunderbird

CVE-2017-7809

CVE-2017-7809 is a use-after-free in an editor DOM node during tree traversal that can crash the process. Affected products cited across connected docs include Mozilla Thunderbird and Mozilla Firefox components; IBM SONAS ships vulnerable Firefox releases and lists a fix in IBM SONAS version 1.5....

CVE-2018-12379

CVE-2018-12379 describes an out-of-bounds write triggered when the Mozilla Updater opens a MAR file containing a very long item filename. This requires that the updater is run locally with the malicious MAR file, potentially allowing a crash exploitable by an attacker. Affected products include F...

CVE-2018-18509

CVE-2018-18509 is a S/MIME signature verification flaw in Mozilla Thunderbird that allows a remote attacker to reuse a valid S/MIME signature to craft emails with arbitrary content, making the message appear signed even though content isn’t covered by the signature. Affected products are Thunderb...

CVE-2023-25739

CVE-2023-25739 affects Firefox <110, Thunderbird <102.8, and Firefox ESR

CVE-2010-2760

CVE-2010-2760 is a use-after-free in the XUL nsTreeSelection handling within Mozilla Firefox (pre-3.5.12 and 3.6.x prior to 3.6.9), Thunderbird (pre-3.0.7 and 3.1.x prior to 3.1.3), and SeaMonkey (pre-2.0.7). The root cause is a dangling pointer issue in the XUL tree selection leading to potentia...

CVE-2013-1710

The crypto.generateCRMFRequest function in Mozilla Firefox (before 23.0, ESR 17.x before 17.0.8), Thunderbird (before 17.0.8, ESR 17.x before 17.0.8), and SeaMonkey (before 2.20) contains a vulnerability allowing remote attackers to execute arbitrary JavaScript code or conduct cross-site scriptin...

CVE-2015-2734

CVE-2015-2734 details (mode C): The vulnerability affects Mozilla Firefox (Direct3D 9 implementation) in Windows builds prior to 39.0, Firefox ESR 31.x prior to 31.8 and 38.x prior to 38.1, and Thunderbird prior to 38.1. The underlying issue is reading data from uninitialized memory locations in ...

CVE-2017-5465

CVE-2017-5465 is an out-of-bounds read in ConvolvePixel used when processing SVG content. The issue can crash the application and may copy memory into SVG content, potentially affecting rendering. Affected products include Thunderbird and Mozilla Firefox variants: Thunderbird < 52.1, Firefox E...

CVE-2017-7787

CVE-2017-7787 is a same-origin policy bypass vulnerability affecting Thunderbird and Firefox browsers. Affected products include Thunderbird versions older than 52.3, Firefox ESR older than 52.3, and Firefox older than 55. The issue occurs on pages with embedded iframes during page reloads, allow...

CVE-2017-7802

CVE-2017-7802 is a use-after-free in the DOM during an image element resize event. The vulnerability occurs when freed image elements are accessed due to lack of strong references, potentially causing a crash. Affected products/versions from the provided documents include Thunderbird < 52.3, F...

CVE-2022-40956

CVE-2022-40956 describes a CSP bypass in which injecting an HTML element causes requests to ignore the CSP base-uri setting and use the injected base instead. Affected products include Firefox ESR before 102.3, Thunderbird before 102.3, and Firefox before 105. The vulnerability’s root cause is t...

CVE-2022-45411

CVE-2022-45411: Cross-Site Tracing vulnerability in Firefox/Thunderbird due to servers echoing Trace requests and exposure of authorization headers/cookies; mitigations have been implemented via browser fetch/XHR limits and non-standard headers like X-Http-Method-Override. The issue is acknowledg...

CVE-2023-32212

The CVE-2023-32212 issue is a UI spoofing vulnerability in Mozilla Firefox and Thunderbird where an attacker could position a datalist element to obscure the address bar. Affected products include Firefox versions before 113, Firefox ESR before 102.11, and Thunderbird before 102.11. The connected...

CVE-2013-1682

CVE-2013-1682 affects Mozilla Firefox and Thunderbird (Firefox before 22.0, ESR 17.x before 17.0.7; Thunderbird before 17.0.7) with memory corruption/DoS and potential arbitrary code execution via unknown vectors. Multiple connected advisories enumerate affected builds (MiracleLinux 3/4, openSUSE...

CVE-2014-1544

CVE-2014-1544 is a use-after-free in CERT_DestroyCertificate in libnss3.so (NSS) that can allow remote code execution when NSSCertificate structures are improperly removed from a trust domain. Affected: Mozilla NSS as used by Firefox before 31.0, Firefox ESR before 24.7, and Thunderbird before 24...

CVE-2017-5407

CVE-2017-5407 describes a information-disclosure flaw in SVG filters due to floating-point timing side channels that can leak pixel data and history across origins. Affected products include Mozilla Firefox and Thunderbird versions older than 52 (Firefox ESR older than 45.8; Thunderbird older tha...

CVE-2017-7786

A buffer overflow in the image renderer can be triggered when painting non-displayable SVG elements, causing a crash and, in some advisories, potential arbitrary-code execution. Affected products include Mozilla Thunderbird and Firefox/Firefox ESR prior to certain versions (Thunderbird < 52.3,...

CVE-2017-7800

CVE-2017-7800 is a use-after-free in WebSockets that can trigger a crash when the connection object is freed before disconnection finishes. Affected: Thunderbird < 52.3, Firefox ESR < 52.3, Firefox

CVE-2019-11706

CVE-2019-11706 is a type confusion in Thunderbird’s libical implementation, specifically icaltimezone_get_vtimezone_properties, triggered by certain emails and leading to a crash in Thunderbird

CVE-2022-38476

CVE-2022-38476 describes a data race in PK11_ChangePW that could cause a use-after-free, affecting Firefox ESR < 102.2 and Thunderbird

CVE-2016-9074

CVE-2016-9074: Mozilla NSS timing-side-channel mitigation is insufficient in some circumstances. Affects NSS-based components used by Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox

CVE-2017-7784

The CVE-2017-7784 issue is a use-after-free in the image observer during frame reconstruction after the observer has been freed, affecting Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox

CVE-2018-12367

CVE-2018-12367 affects Mozilla Thunderbird < 60, Firefox ESR < 60.1, and Firefox

CVE-2022-40957

In Firefox on ARM64, CVE-2022-40957 is caused by inconsistent data in the instruction and data caches while building WebAssembly code, leading to a potentially exploitable crash. Affected products include Firefox on ARM64 and Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox

CVE-2026-8090

A use-after-free vulnerability exists in the DOM: Networking component of the Mozilla Firefox web browser and the Thunderbird email client. This flaw allows an attacker to compromise the confidentiality, integrity, and accessibility of protected information. The issue has been addressed in severa...

CVE-2013-1718

CVE-2013-1718 is a remote memory-safety vulnerability in the Mozilla Firefox/Thunderbird/SeaMonkey browser engine. The issue affects Firefox up to version 24.0, Firefox ESR 17.x up to 17.0.9, Thunderbird up to 24.0, Thunderbird ESR 17.x up to 17.0.9, and SeaMonkey up to 2.21, and can lead to memo...

CVE-2017-7792

The CVE-2017-7792 issue affects Thunderbird (< 52.3), Firefox ESR (< 52.3), and Firefox (

CVE-2017-7810

CVE-2017-7810 refers to memory-safety bugs reported in Firefox 55 and Firefox ESR 52.3, with potential to exploit memory corruption to run arbitrary code. Connected documents confirm that Thunderbird

CVE-2012-0441

The CVE-2012-0441 issue affects the NSS ASN.1 decoder QuickDER. The flaw allows a remote attacker to trigger a denial of service (application crash) via a zero-length item in ASN.1 structures (e.g., a zero-length basic constraint or a zero-length OCSP field). Affected software includes NSS-based ...

CVE-2014-1508

CVE-2014-1508 affects Mozilla Firefox family components (libxul) where libxul.so!gfxContext::Polygon can leak memory, cause out-of-bounds reads, or crash, with potential Same Origin Policy bypass via MathML polygon rendering. Affected: Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbir...

CVE-2016-9898

CVE-2016-9898 is a use-after-free vulnerability in Mozilla Firefox/Thunderbird affecting Firefox <50.1, Firefox ESR <45.6, and Thunderbird

CVE-2017-5404

CVE-2017-5404 is a use-after-free in Firefox/Thunderbird when manipulating ranges in selections with one node inside a native anonymous tree and one node outside it, leading to a potentially exploitable crash. Affected: Firefox versions before 52 and Firefox ESR before 45.8; Thunderbird versions ...

CVE-2017-5439

CVE-2017-5439 is a use-after-free in XSLT processing caused by improper handling of template parameters (nsTArray Length()) in Mozilla code, affecting Firefox and Thunderbird. It targets Firefox < 53 (and related ESR branches) and Thunderbird

CVE-2017-7826

CVE-2017-7826 ties to memory-safety bugs in Firefox 56/ESR 52.4 and Thunderbird prior to 52.5. Affected versions: Firefox < 57, Firefox ESR < 52.5, Thunderbird

CVE-2023-25752

CVE-2023-25752 affects Firefox and Thunderbird due to an out-of-bounds risk when accessing throttled streams. The bug stems from not validating the count of available bytes in the caller, allowing potential memory safety issues. Affected versions include Firefox <111, Firefox ESR <102.9, an...

CVE-2023-6206

CVE-2023-6206 is described across connected sources as a clickjacking-related issue tied to the fullscreen transition in Mozilla Firefox and Thunderbird. The vulnerability affects Firefox versions older than 120, Firefox ESR older than 115.5.0, and Thunderbird older than 115.5.0. The issue is dis...

CVE-2023-6860

CVE-2023-6860: The VideoBridge channel allowed a content process to access textures from remote decoders, creating a potential sandbox escape in Firefox ESR <115.6, Thunderbird <115.6, and Firefox

CVE-2024-0747

CVE-2024-0747 describes a CSP bypass: when a parent page loads a child in an iframe with unsafe-inline, the parent CSP could override the child CSP. Affected: Firefox before 122, Firefox ESR before 115.7, and Thunderbird before 115.7. Practical impact: potential bypass of content security policie...