CVE-2022-29910

CVE-2022-29910 affects Firefox for Android. When the app is closed or sent to the background, HSTS settings were not properly recorded/persisted, potentially weakening TLS protections. Affected: Firefox for Android, versions before 100; other OSs are unaffected. Mitigation: update to the latest F...

CVE-2022-38472

The CVE-2022-38472 issue is a cross-origin spoofing vulnerability where XSLT error handling could allow attacker‑controlled content to be displayed as a different origin in the address bar, potentially tricking users into submitting data to a spoofed site. Affected products/versions (as stated in...

CVE-2023-32215

CVE-2023-32215 refers to memory-safety bugs in Mozilla Firefox and Firefox ESR (112/ESR 102.10) with potential for arbitrary code execution. Affected are Firefox < 113, Firefox ESR < 102.11, and Thunderbird

CVE-2023-6856

CVE-2023-6856 describes a heap-buffer-overflow in the WebGL DrawElementsInstanced path when run with the Mesa VM driver. Impacted products include Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox

CVE-2016-9904

CVE-2016-9904 describes a timing-attack vulnerability in JavaScript Map/Set usage that can leak information across websites. Affected products include Firefox versions before 50.1, Firefox ESR before 45.6, and Thunderbird before 45.6. The issue enables an attacker to determine if an atom is used ...

CVE-2017-7807

CVE-2017-7807 describes a domain URL hijack via AppCache fallback, resolved by requiring fallback files to be inside the manifest directory. Affected products include Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox

CVE-2018-12361

CVE-2018-12361 is an integer overflow in the SwizzleData code during buffer-size calculation that can lead to a potentially exploitable crash when inputs aren’t sanitized. Affected products include Mozilla Thunderbird before 60 and Firefox family before 61 (Firefox ESR before 60.1). Public remedi...

CVE-2023-25729

CVE-2023-25729 involves a permissions prompt issue for external schemes that was only shown for ContentPrincipals, allowing extensions using ExpandedPrincipals to open them without user interaction. This could enable actions like downloading files or interacting with installed software. Affected:...

CVE-2023-32206

CVE-2023-32206: An out-of-bounds read in the RLBox Expat driver could crash affected Mozilla components. Affected software includes Firefox <113, Firefox ESR <102.11, and Thunderbird

CVE-2023-5726

The CVE-2023-5726 issue is a macOS-only browser UI vulnerability where an obscured fullscreen notification could be exposed via the file-open dialog, potentially enabling spoofing or user confusion. Affected products/versions are Firefox older than 119, Firefox ESR older than 115.4, and Thunderbi...

CVE-2024-0750

CVE-2024-0750 affects Firefox (versions prior to 122) and Thunderbird (prior to 115.7), with the issue described as a bug in popup notifications delay calculation that could allow a user to be tricked into granting permissions. Connected advisories confirm the vulnerability and link it to Mozilla...

CVE-2025-5263

The Mozilla Firefox browser and Thunderbird email client are affected by CVE-2025-5263 , where error handling for script execution was incorrectly isolated from web content. This flaw could allow an attacker to perform cross-origin leak attacks to gain unauthorized access to protected information...

CVE-2014-1490

CVE-2014-1490 : A race condition in NSS libssl session ticket processing (use-after-free) could allow remote attackers to cause a denial of service or, per the description, potentially other impact via a resumption handshake. Affected: NSS up to 3.15.4 and, by extension, Mozilla products (Firefox...

CVE-2022-34471

CVE-2022-34471 affects Mozilla Firefox prior to version 102, where the updater failed to verify that the downloaded addon update version matched the manifest, creating a risk that a tampered server manifest could cause a downgrade to an older addon. The issue is documented across multiple connect...

CVE-2022-38477

CVE-2022-38477 concerns memory safety bugs reported by Mozilla’s Fuzzing Team in Firefox 103 and Firefox ESR 102.1. The entry notes evidence of memory corruption and a presumption that, with sufficient effort, some bugs could be exploited to execute arbitrary code. Affected products explicitly li...

CVE-2023-29548

CVE-2023-29548 concerns a wrong lowering instruction in the ARM64 Ion compiler that yields an incorrect optimization result. The vulnerability affects Firefox (<112), Focus for Android (<112), Firefox ESR (<102.10), Firefox for Android (<112), and Thunderbird (

CVE-2023-29550

CVE-2023-29550 corresponds to memory-safety bugs in Mozilla Firefox 111 and Firefox ESR 102.9 (affecting Firefox < 112, Focus for Android < 112, ESR < 102.10, Firefox for Android < 112, Thunderbird

CVE-2024-7652

An error in the ECMA-262 specification regarding Async Generators can lead to a type confusion vulnerability within the JavaScript engine. This flaw could potentially result in memory corruption and cause an exploitable crash . The vulnerability impacts several versions of Firefox (less than 128)...

CVE-2021-23977

CVE-2021-23977 affects Firefox on Android, a time-of-check-time-of-use vulnerability allowing a malicious app to read sensitive data from other application directories. The issue is limited to Firefox for Android and does not impact other OS variants; affected versions are Firefox

CVE-2021-38505

The CVE describes a Windows 10 Cloud Clipboard issue where copied data could be recorded to the cloud if Cloud Clipboard is enabled. Affected products/versions identified are Firefox before 94, Thunderbird before 91.3, and Firefox ESR before 91.3 on Windows 10+. The root cause is that application...

CVE-2022-31745

CVE-2022-31745 affects Mozilla Firefox older than 101.0. The issue arises when array shift operations are not used, potentially confusing the Garbage Collector about valid objects, leading to memory corruption and a potentially exploitable crash. The CVSS v3.1 base score is 4.3 (Medium). Mitigati...

CVE-2022-34483

The issue is CVE-2022-34483 affecting Firefox prior to version 102. A user engaging via drag-and-drop of an image to a filesystem could have resulted in a filename containing an executable extension, potentially leading to execution of malicious code. The Astra Linux advisories corroborate that F...

CVE-2022-40961

CVE-2022-40961 affects Firefox for Android and is a stack-based buffer overflow during startup caused by a graphics driver with an unexpected name, leading to a potentially exploitable crash. Affected: Firefox

CVE-2024-0742

The CVE-2024-0742 entry is confirmed with concrete details in connected docs: an incorrect timestamp used to prevent input after page load can cause browser prompts and dialogs to be activated or dismissed unintentionally. Affected products are Firefox < 122, Firefox ESR < 115.7, and Thunde...

CVE-2024-0753

CVE-2024-0753: Affects Firefox before 122, Firefox ESR before 115.7, and Thunderbird before 115.7. In certain HSTS configurations, a subdomain could bypass the upper-domain HSTS policy. Public documents from Astra Linux, Debian LTS, and Red Hat/ALAS advisories confirm this as a subdomain HSTS byp...

CVE-2012-5829

CVE-2012-5829 is a heap-based buffer overflow in the nsWindow::OnExposeEvent function affecting Mozilla Firefox before 17.0, Firefox ESR before 10.0.11, Thunderbird before 17.0, Thunderbird ESR before 10.0.11, and SeaMonkey before 2.14. Connected documents confirm this vulnerability across multip...

CVE-2017-5447

CVE-2017-5447 is an out-of-bounds read in glyph widths processing during text layout that can cause a crash and potentially expose memory. Affected products include Mozilla Thunderbird (<52.1) and Mozilla Firefox/Firefox ESR (ESR <52.1; Firefox

CVE-2017-7791

CVE-2017-7791: A data: protocol-based modal alert spoofing vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox

CVE-2017-7798

The CVE-2017-7798 issue is a XUL injection vulnerability in Firefox Developer Tools (style editor) caused by improper sanitization of the web page source. A malicious page could trigger arbitrary code execution via the style editor, affecting Firefox ESR versions <52.3 and Firefox

CVE-2018-12397

CVE-2018-12397 affects Mozilla Firefox/Firefox ESR. The vulnerability arises from a WebExtension’s ability to access local files without the user-visible warning, bypassing the intended “Access your data for all websites” prompt. This can allow extensions to run content scripts on local pages wit...

CVE-2019-17025

CVE-2019-17025 is a Firefox memory-safety vulnerability affecting Firefox prior to 72.0. Connected advisories enumerate multiple memory-corruption–related issues in Firefox 71 that Mozilla presumes could be exploited to run arbitrary code. The Arch Linux advisory additionally details several rela...

CVE-2020-12394

CVE-2020-12394 describes a logic flaw in the Firefox location bar that could allow a local attacker to spoof the current location by selecting a different origin and removing focus from the input. Affected product: Firefox versions prior to 76.0. Root cause: input/origin handling in the address b...

CVE-2021-23956

Mozilla Firefox before 85.0 is affected by CVE-2021-23956 due to an ambiguous file-picker UI that could confuse users intending to upload a single file, potentially resulting in a whole directory being uploaded and exposing directory contents. Public advisories (e.g., Arch Linux ASA-202102-1 and ...

CVE-2023-32211

CVE-2023-32211 describes a type checking bug in Mozilla Firefox and Thunderbird that could lead to invalid code being compiled. The connected documents confirm the flaw affects Firefox versions prior to 113, Firefox ESR prior to 102.11, and Thunderbird prior to 102.11. Multiple security advisorie...

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-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-2019-11701

CVE-2019-11701 affects Mozilla Firefox prior to 67.0. The issue is caused by the default webcal: protocol handler loading a vulnerable site, enabling cross-site scripting (XSS) attacks. Impact per sources includes potential script execution within the browser context and possible credential theft...

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-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-2023-29537

CVE-2023-29537 concerns multiple race conditions in font initialization that could cause memory corruption and allow attacker-controlled code execution. Affected products include Mozilla Firefox on Android, Firefox versions before 112, and Focus for Android before 112. The vulnerability’s root ca...

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-2016-9895

CVE-2016-9895 affects Mozilla Firefox (<50.1) and Firefox ESR (<45.6) and Thunderbird (

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-2019-17002

CVE-2019-17002 affects Mozilla Firefox versions before 70.0. If upgrade-insecure-requests is set in the Content Security Policy and a link is dragged and dropped from that page, the link is not upgraded to https, exposing users to potential security bypass and stability issues. The primary impact...

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-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-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-2023-6870

CVE-2023-6870 affects Firefox on Android (Android Firefox/Focus) and is triggered by applications that spawn a Toast notification in a background thread, potentially obscuring the fullscreen notification used by Firefox. The issue is tied to Android UI prompts and could lead to spoofing of the br...

CVE-2016-1978

Summary: CVE-2016-1978 is a use-after-free flaw in NSS related to ECDH/DHE TLS handshakes. The issue occurs in ssl3_HandleECDHServerKeyExchange and can allow a remote attacker to cause a denial of service or other impact during high memory consumption. It affects NSS before 3.21 as used in Mozill...