WebRTC in Firefox will honor persisted permissions given to sites for access to microphone and camera resources even when in a third-party context. I…
Some HTML elements, such as <title> and <textarea>, can contain literal angle brackets without treating them as markup. It is possible to…
When a master password is set, it is required to be entered again before stored passwords can be accessed in the 'Saved Logins' dialog. It was found …
Mozilla developers and community members reported memory safety bugs present in Firefox 68. Some of these bugs showed evidence of memory corruption a…
Mozilla developers and community members reported memory safety bugs present in Firefox 68 and Firefox ESR 68. Some of these bugs showed evidence of …
Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR 68, and Firefox 60.8. Some of these bugs show…
The Mozilla Maintenance Service does not guard against files being hardlinked to another file in the updates directory, allowing for the replacement …
Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affe…
A same-origin policy violation occurs allowing the theft of cross-origin images through a combination of SVG filters and a <canvas> element due…
If a Content Security Policy (CSP) directive is defined that uses a hash-based source that takes the empty string as input, execution of any javascri…
A compromised sandboxed content process can perform a Universal Cross-site Scripting (UXSS) attack on content from any site it can cause to be loaded…
If a wildcard ('*') is specified for the host in Content Security Policy (CSP) directives, any port or path restriction of the directive will be igno…
A vulnerability where a JavaScript compartment mismatch can occur while working with the fetch API, resulting in a potentially exploitable crash. Thi…
A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable c…
A race condition is present in the crash generation server used to generate data for the crash reporter. This issue can lead to a use-after-free in t…
If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Apple has shipped macOS 10.14.5 with an…
A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. This results in a potentially exploitable…
A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups, allowing for the bypassing of s…
Images from a different domain can be read using a canvas object in some circumstances. This could be used to steal image data from a different site …
Mozilla developers and community members reported memory safety bugs present in Firefox 66, Firefox ESR 60.6, and Thunderbird 60.6. Some of these bug…
Mozilla developers and community members reported memory safety bugs present in Firefox 66. Some of these bugs showed evidence of memory corruption a…
As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser fea…
When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger an out-of-bounds read in the Network Secur…
A vulnerability exists during the installation of add-ons where the initial fetch ignored the origin attributes of the browsing context. This could l…
Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before being copied into memory and u…
The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. This allows for domain spoofing attacks as do not …
When a user navigates to site marked as unsafe by the Safebrowsing API, warning messages are displayed and navigation is interrupted but resources fr…
A vulnerability exists where if a user opens a locally saved HTML file, this file can use file: URIs to access other files in the same directory or s…
Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. This allows mal…
Application permissions give additional remote troubleshooting permission to the site input.mozilla.org, which has been retired and now redirects to …