Vendor
Mozilla
2,559 known vulnerabilities.
Products
Firefox 2,316
Thunderbird 1,814
Firefox ESR 712
Firefox for iOS 63
Firefox for Android 33
Focus for Android 17
Thunderbird ESR 13
Focus for iOS 13
NSS 6
Focus 3
WebThings Gateway 2
Mozilla Bleach 2
Hubs Cloud 2
Mozilla VPN 2
Node-convict 1
Network Security Services (NSS) 1
thin-vec 1
Mozilla VPN 2.28.0 1
hawk 1
rhino 1
Firefox for 1
geckodriver 1
common-voice 1
Convict 1
Bugzilla 1
Persona 1
Network Security Services 1
Nunjucks 1
Klar for iOS 1
neqo 1
Mozilla VPN iOS 1.0.7 1
Mozilla VPN Windows 1
Mozilla VPN Android 1.1.0 1
sccache 1
Mozilla VPN 2.16.1 1
PollBot 1
Thunderbird < 102.8 0
Thunderbird < 102.9 0
Thunderbird < 102.9.1 0
Firefox < 110.1.0 Android 0
507 results · Clear filters · Feed
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Medium 4.3
A website that had permission to access the microphone could record audio without the audio notification being shown. T…
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Medium 6.5
An attacker could have written a value to the first element in a zero-length JavaScript array. Although the array was z…
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Medium 6.5
When reusing existing popups Firefox would have allowed them to cover the fullscreen notification UI, which could have …
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Medium 6.5
Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. Th…
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Medium 4.3
The Performance API did not properly hide the fact whether a request cross-origin resource has observed redirects. This…
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Medium 6.1
When closed or sent to the background, Firefox for Android would not properly record and persist HSTS settings.<br>*Not…
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Medium 6.5
The parent process would not properly check whether the Speech Synthesis feature is enabled, when receiving instruction…
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Medium 6.1
An improper implementation of the new iframe sandbox keyword <code>allow-top-navigation-by-user-activation</code> could…
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Medium 6.1
Requests initiated through reader mode did not properly omit cookies with a SameSite attribute. This vulnerability affe…
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Medium 5.3
When visiting directory listings for `chrome://` URLs as source text, some parameters were reflected. This vulnerabilit…
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Medium 4.3
When loading a script with Subresource Integrity, attackers with an injection capability could trigger the reuse of pre…
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Medium 6.1
When using the Performance API, an attacker was able to notice subtle differences between PerformanceEntries and thus l…
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Medium 5.5
When opening a Windows shortcut from the local filesystem, an attacker could supply a remote path that would lead to un…
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Medium 6.5
When visiting a website with an overly long URL, the user interface would start to hang. Due to session restore, this c…
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Medium 6.5
When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resultin…
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Medium 4.3
If array shift operations are not used, the Garbage Collector may have become confused about valid objects. This vulner…
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Medium 6.5
An attacker could have injected CSS into stylesheets accessible via internal URIs, such as resource:, and in doing so b…
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Medium 6.5
An attacker could have exploited a timing attack by sending a large number of allowCredential entries and detecting the…
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Medium 6.5
Firefox's HTML parser did not correctly interpret HTML comment tags, resulting in an incongruity with other browsers. T…
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Medium 6.5
Internal URLs are protected by a secret UUID key, which could have been leaked to web page through the Referrer header.…
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Medium 4.3
When receiving an HTML email that specified to load an <code>iframe</code> element from a remote location, a request to…
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Medium 5.5
An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash. This vulnera…
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Medium 6.5
An OpenPGP digital signature includes information about the date when the signature was created. When displaying an ema…
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Medium 6.5
The executable file warning was not presented when downloading .atloc and .ftploc files, which can run commands on a us…
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Medium 6.5
A missing check related to tex units could have led to a use-after-free and potentially exploitable crash.<br />*Note*:…
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Medium 4.3
By confusing the browser, the fullscreen notification could have been delayed or suppressed, resulting in potential use…
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Medium 6.5
When a ServiceWorker intercepted a request with <code>FetchEvent</code>, the origin of the request was lost after the S…
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Medium 6.5
If the user added a security exception for an invalid TLS certificate, opened an ongoing TLS connection with a server t…
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Medium 6.5
Through a series of popup and <code>window.print()</code> calls, an attacker can cause a window to go fullscreen withou…
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Medium 6.5
Service Workers should not be able to infer information about opaque cross-origin responses; but timing information for…
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Medium 6.5
Through a series of popups that reuse windowName, an attacker can cause a window to go fullscreen without the user seei…
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Medium 6.5
Freeing arbitrary <code>nsIInputStream</code>'s on a different thread than creation could have led to a use-after-free …
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Medium 4.3
Service Workers did not detect Private Browsing Mode correctly in all cases, which could have led to Service Workers be…
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Medium 6.5
Keyboard events reference strings like "KeyA" that were at fixed, known, and widely-spread addresses. Cache-based timin…
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Medium 6.5
Use tables inside of an iframe, an attacker could have caused iframe contents to be rendered outside the boundaries of …
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Medium 6.1
If a custom mouse cursor is specified in CSS, under certain circumstances the cursor could have been drawn over the bro…
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Medium 6.1
Using the <code>S.browser_fallback_url parameter</code> parameter, an attacker could redirect a user to a URL and cause…
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Medium 6.1
Cross-Site Tracing occurs when a server will echo a request back via the Trace method, allowing an XSS attack to access…
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Medium 6.5
During startup, a graphics driver with an unexpected name could lead to a stack-buffer overflow causing a potentially e…
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Medium 6.5
During iframe navigation, certain pages did not have their FeaturePolicy fully initialized leading to a bypass that lea…