Mozilla Releases Security Updates for Multiple Products

Mozilla has released security updates to address vulnerabilities in Thunderbird, Firefox ESR, and Firefox. An attacker could exploit these vulnerabilities to cause user confusion or conduct spoofing attacks. CISA encourages users and administrators to review Mozilla’s security advisories for...

CVE-2022-45404

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. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...

CVE-2022-45420

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. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...

CVE-2022-45408

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. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...

CVE-2022-34479

A malicious website that could create a popup could have resized the popup to overlay the address bar with its own content, resulting in potential user confusion or spoofing attacks. This bug only affects Thunderbird for Linux. Other operating systems are unaffected.. This vulnerability affects...

Mozilla: A popup window could be resized in a way to overlay the address bar with web content

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of a malicious website that creates a popup that could have resized the popup to overlay the address bar with its own content, resulting in potential user confusion or spoofing attacks...

Mozilla Thunderbird < 91.11

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 91.11. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2022-26 advisory. - The Mozilla Fuzzing Team reported potential vulnerabilities present in Thunderbird 91.10. Some of these...

Spoofing Attacks

firefox and thunderbird are vulnerable to spoofing attacks. The vulnerability exists because a pop-up window could be resized to overlay the address bar with web content, resulting in potential user confusion or spoofing attacks...

CVE-2022-34479

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of a malicious website that creates a popup that could have resized the popup to overlay the address bar with its own content, resulting in potential user confusion or spoofing attacks...

Mozilla Firefox < 102.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 102.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2022-24 advisory. - Mozilla developers Bryce Seager van Dyk and the Mozilla Fuzzing Team reported potential vulnerabilities...

Mozilla: Browser window spoof using fullscreen mode

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of when exiting fullscreen mode, an iframe could have confused the browser about the current state of the fullscreen, resulting in potential user confusion or spoofing attacks...

Mozilla: Browser window spoof using fullscreen mode

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of when exiting fullscreen mode, an iframe could have confused the browser about the current state of the fullscreen, resulting in potential user confusion or spoofing attacks...

Mozilla: Browser window spoof using fullscreen mode

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of when exiting fullscreen mode, an iframe could have confused the browser about the current state of the fullscreen, resulting in potential user confusion or spoofing attacks...

CVE-2022-31738

When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird 91.10, Firefox 101, and Firefox ESR 91.10...

CVE-2022-31738

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of when exiting fullscreen mode, an iframe could have confused the browser about the current state of the fullscreen, resulting in potential user confusion or spoofing attacks...

Mozilla Firefox < 101.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 101.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2022-20 advisory. - Mozilla developers Gabriele Svelto, Timothy Nikkel, Randell Jesup, Jon Coppeard, and the Mozilla Fuzzing Tea...

Security Vulnerabilities fixed in Firefox 101 — Mozilla

A malicious website could have learned the size of a cross-origin resource that supported Range requests. A malicious webpage could have caused an out-of-bounds write in WebGL, leading to memory corruption and a potentially exploitable crash. When exiting fullscreen mode, an iframe could have...

Security Vulnerabilities fixed in Thunderbird 91.10 — Mozilla

A malicious website could have learned the size of a cross-origin resource that supported Range requests. A malicious webpage could have caused an out-of-bounds write in WebGL, leading to memory corruption and a potentially exploitable crash. When exiting fullscreen mode, an iframe could have...

Mozilla: iframe contents could be rendered outside the border

The Mozilla Foundation Security Advisory describes this flaw as: Due to a layout change, iframe contents could have been rendered outside of its border. This could have led to user confusion or spoofing attacks...

Mozilla: iframe contents could be rendered outside the border

The Mozilla Foundation Security Advisory describes this flaw as: Due to a layout change, iframe contents could have been rendered outside of its border. This could have led to user confusion or spoofing attacks...