When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could all…
When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer does not escape < and > characters. Because the …
When in Private Browsing Mode on Windows 10, the Windows keyboard may retain word suggestions to improve the accuracy of the keyboard. This vulnerabi…
During the initialization of a new content process, a race condition occurs that can allow a content process to disclose heap addresses from the pare…
The plain text serializer used a fixed-size array for the number of <ol> elements it could process; however it was possible to overflow the static-si…
When using nested workers, a use-after-free could occur during worker destruction. This resulted in a potentially exploitable crash. This vulnerabili…
When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unprivileged process to locate and …
Under certain conditions, when checking the Resist Fingerprinting preference during device orientation checks, a race condition could have caused a u…
Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free conditio…
A Content-Security-Policy that blocks in-line scripts could be bypassed using an object tag to execute JavaScript in the protected document (cross-si…
Mozilla developers and community members reported memory safety bugs present in Firefox 69 and Firefox ESR 68.1. Some of these bugs showed evidence o…
A compromised content process could send a message to the parent process that would cause the 'Click to Play' permission prompt to be shown. However,…
An object tag with a data URI did not correctly inherit the document's Content Security Policy. This allowed a CSP bypass in a cross-origin frame if …
When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could…
Improper refcounting of soft token session objects could cause a use-after-free and crash (likely limited to a denial of service). This vulnerability…
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulte…
Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence o…
An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to…
A fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling. This resulted in a potentially exploitable crash in some instances.…
If two same-origin documents set document.domain differently to become cross-origin, it was possible for them to call arbitrary DOM methods/getters/s…
Failure to correctly handle null bytes when processing HTML entities resulted in Firefox incorrectly parsing these entities. This could have led to H…
By using a form with a data URI it was possible to gain access to the privileged JSONView object that had been cloned into content. Impact from expos…
Mozilla Firefox 20.0a1 and earlier allows remote attackers to cause a denial of service (crash), related to event handling with frames.
A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, althoug…
Logging-related command line parameters are not properly sanitized when Firefox is launched by another program, such as when a user clicks on malicio…
It is possible to delete an IndexedDB key value and subsequently try to extract it during conversion. This results in a use-after-free and a potentia…
The Firefox installer allows Firefox to be installed to a custom user writable location, leaving it unprotected from manipulation by unprivileged use…
A type confusion vulnerability exists in Spidermonkey, which results in a non-exploitable crash. This vulnerability affects Firefox < 69 and Firefox …
A use-after-free vulnerability can occur while manipulating video elements if the body is freed while still in use. This results in a potentially exp…
The "Forget about this site" feature in the History pane is intended to remove all saved user data that indicates a user has visited a site. This inc…