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Medium 4.3
When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both…
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Medium 6.5
After a VR Process is destroyed, a reference to it may have been retained and used, leading to a use-after-free and pot…
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Medium 6.5
<code>NSSToken</code> objects were referenced via direct points, and could have been accessed in an unsafe way on diffe…
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Medium 6.5
An attacker could have abused XSLT error handling to associate attacker-controlled content with another origin which wa…
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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 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 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 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 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
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
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 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
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 iframe navigation, certain pages did not have their FeaturePolicy fully initialized leading to a bypass that lea…
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Medium 6.5
Concurrent use of the URL parser with non-UTF-8 data was not thread-safe. This could lead to a use-after-free causing a…
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Medium 6.5
By injecting a cookie with certain special characters, an attacker on a shared subdomain which is not a secure context …
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Medium 6.1
When injecting an HTML base element, some requests would ignore the CSP's base-uri settings and accept the injected ele…
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Medium 6.5
Inconsistent data in instruction and data cache when creating wasm code could lead to a potentially exploitable crash.<…
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Medium 6.5
If a website called `window.print()` in a particular way, it could cause a denial of service of the browser, which may …
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Medium 6.5
After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have l…
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Medium 6.5
If a user installed an extension of a particular type, the extension could have auto-updated itself and while doing so,…
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Medium 6.5
Malicious websites could have tricked users into accepting launching a program to handle an external URL protocol. This…
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Medium 6.5
Securitypolicyviolation events could have leaked cross-origin information for frame-ancestors violations. This vulnerab…
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Medium 6.5
When importing resources using Web Workers, error messages would distinguish the difference between <code>application/j…
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Medium 6.5
Malicious websites could have confused Firefox into showing the wrong origin when asking to launch a program and handli…
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Medium 4.3
When navigating from inside an iframe while requesting fullscreen access, an attacker-controlled tab could have made th…