Mozilla: Fullscreen notification bypass via windowName

The Mozilla Foundation Security Advisory describes this flaw as: Through a series of popups that reuse windowName, an attacker can cause a window to go fullscreen without the user seeing the notification prompt, resulting in potential user confusion or spoofing attacks...

Mozilla: Custom mouse cursor could have been drawn over browser UI

The Mozilla Foundation Security Advisory describes this flaw as: If a custom mouse cursor is specified in CSS, under certain circumstances the cursor could have been drawn over the browser UI, resulting in potential user confusion or spoofing attacks...

Mozilla: Iframe contents could be rendered outside the iframe

The Mozilla Foundation Security Advisory describes this flaw as: Use tables inside of an iframe, an attacker could have caused iframe contents to be rendered outside the boundaries of the iframe, resulting in potential user confusion or spoofing attacks...

Mozilla: Fullscreen notification bypass

The Mozilla Foundation Security Advisory describes this flaw as: Through a series of popup and window.print calls, an attacker can cause a window to go fullscreen without the user seeing the notification prompt, resulting in potential user confusion or spoofing attacks...

Mozilla: Symlinks may resolve to partially uninitialized buffers

The Mozilla Foundation Security Advisory describes this flaw as: When resolving a symlink such as file:///proc/self/fd/1, an error message may be produced where the symlink was resolved to a string containing unitialized memory in the buffer...

Mozilla: Iframe contents could be rendered outside the iframe

The Mozilla Foundation Security Advisory describes this flaw as: Use tables inside of an iframe, an attacker could have caused iframe contents to be rendered outside the boundaries of the iframe, resulting in potential user confusion or spoofing attacks...

Mozilla: Custom mouse cursor could have been drawn over browser UI

The Mozilla Foundation Security Advisory describes this flaw as: If a custom mouse cursor is specified in CSS, under certain circumstances the cursor could have been drawn over the browser UI, resulting in potential user confusion or spoofing attacks...

Mozilla: Denial of Service via window.print

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of a website called window.print causing a denial of service of the browser, which may persist beyond browser restart depending on the user's session restore settings...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to an impersonation attack

A flaw was found in Mozilla. According to the Mozilla Foundation Security Advisory, Thunderbird users who use the Matrix chat protocol are vulnerable to an impersonation attack. An attacker could spoof historical messages from other users, and use a malicious key backup to the user's account unde...

Mozilla: Memory Corruption in JS Engine

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of certain types of allocations that were missing annotations that, if the Garbage Collector was in a specific state, could lead to memory corruption and a potentially exploitable crash...

Mozilla: Denial of Service via window.print

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of a website called window.print causing a denial of service of the browser, which may persist beyond browser restart depending on the user's session restore settings...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to an impersonation attack by malicious server administrators

A flaw was found in Mozilla. According to the Mozilla Foundation Security Advisory, Thunderbird users who use the Matrix chat protocol are vulnerable to an impersonation attack. A malicious server administrator could fake encrypted messages to look as if they were sent from another user on that...

Mozilla: Denial of Service via window.print

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of a website called window.print causing a denial of service of the browser, which may persist beyond browser restart depending on the user's session restore settings...

Mozilla: Same-origin policy violation could have leaked cross-origin URLs

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of a same-origin policy violation that could have allowed the theft of cross-origin URL entries, leaking the result of a redirect via performance.getEntries...

Mozilla: Out of bounds read when decoding H264

The Mozilla Foundation Security Advisory describes this flaw as: An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash...

Mozilla: An iframe element in an HTML email could trigger a network request

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of sending a request to the remote document when receiving an HTML email that specified to load an iframe element from a remote location. However, Thunderbird didn't display the document...

Mozilla: Remote content specified in an HTML document that was nested inside an iframe's srcdoc attribute was not blocked

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of when receiving an HTML email that contained an iframe element, which used a srcdoc attribute to define the internal HTML document, remote objects specified in the nested document for example, images or...

Mozilla: Out of bounds read when decoding H264

The Mozilla Foundation Security Advisory describes this flaw as: An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash...

Mozilla: Bypassing Secure Context restriction for cookies with __Host and __Secure prefix

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue that by injecting a cookie with certain special characters, an attacker on a shared subdomain, which is not a secure context, could set and overwrite cookies from a secure context, leading to session fixatio...

Mozilla: An iframe element in an HTML email could trigger a network request

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of sending a request to the remote document when receiving an HTML email that specified to load an iframe element from a remote location. However, Thunderbird didn't display the document...