CVE-2022-34474

Even when an iframe was sandboxed with allow-top-navigation-by-user-activation, if it received a redirect header to an external protocol the browser would process the redirect and prompt the user as appropriate. This vulnerability affects Firefox 102...

CVE-2020-15680

If a valid external protocol handler was referenced in an image tag, the resulting broken image size could be distinguished from a broken image size of a non-existent protocol handler. This allowed an attacker to successfully probe whether an external protocol handler was registered. This...

CVE-2020-15682

When a link to an external protocol was clicked, a prompt was presented that allowed the user to choose what application to open it in. An attacker could induce that prompt to be associated with an origin they didn't control, resulting in a spoofing attack. This was fixed by changing external...

Amazon Linux 2 : thunderbird (ALAS-2025-2789)

The version of thunderbird installed on the remote host is prior to 128.7.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2789 advisory. A permission leak could have occurred from a trusted site to an untrusted site via embed or object elements. This...

Amazon Linux 2 : firefox (ALASFIREFOX-2025-035)

The version of firefox installed on the remote host is prior to 128.7.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2FIREFOX-2025-035 advisory. The origin of an external protocol handler prompt could have been obscured using a data: URL within an iframe. Thi...

Amazon Linux 2 : thunderbird (ALAS-2025-2765)

The version of thunderbird installed on the remote host is prior to 128.7.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2765 advisory. A permission leak could have occurred from a trusted site to an untrusted site via embed or object elements. This...

Amazon Linux 2 : firefox (ALASFIREFOX-2025-034)

The version of firefox installed on the remote host is prior to 128.7.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2FIREFOX-2025-034 advisory. The origin of an external protocol handler prompt could have been obscured using a data: URL within an iframe. Thi...

Important: thunderbird

Issue Overview: A permission leak could have occurred from a trusted site to an untrusted site via embed or object elements. This vulnerability affects Firefox 132, Firefox ESR 128.4, Firefox ESR 115.17, Thunderbird 128.4, and Thunderbird 132. CVE-2024-10458 An attacker could have caused a...

Astra Linux – Vulnerability in Firefox, Thunderbird

The origin of an external protocol handler prompt could have been obscured using a data: URL within an iframe. This vulnerability affects Firefox 132, Firefox ESR 128.4, Thunderbird 128.4, and Thunderbird 132...

PT-2025-17460

Name of the Vulnerable Software and Affected Versions GNOME Epiphany versions up to 47.4/48.0 Description The issue concerns an external protocol in GNOME Epiphany. Recommendations For versions up to 47.4/48.0, update to a version that contains a fix for this issue...

CVE-2024-42451

A vulnerability in Veeam Backup & Replication allows low-privileged users to leak all saved credentials in plaintext. This is achieved by calling a series of methods over an external protocol, ultimately retrieving the credentials using a malicious setup on the attacker's side. This exposes...

CVE-2024-42451

A vulnerability in Veeam Backup & Replication allows low-privileged users to leak all saved credentials in plaintext. This is achieved by calling a series of methods over an external protocol, ultimately retrieving the credentials using a malicious setup on the attacker's side. This exposes...

CVE-2024-42451

A vulnerability in Veeam Backup & Replication allows low-privileged users to leak all saved credentials in plaintext. This is achieved by calling a series of methods over an external protocol, ultimately retrieving the credentials using a malicious setup on the attacker's side. This exposes...

firefox: thunderbird: Confusing display of origin for external protocol handler prompt

The Mozilla Foundation's Security Advisory: The origin of an external protocol handler prompt could be obscured using a data: URL within an iframe...

firefox: thunderbird: Confusing display of origin for external protocol handler prompt

The Mozilla Foundation's Security Advisory: The origin of an external protocol handler prompt could be obscured using a data: URL within an iframe...

MGASA-2024-0349 Updated nspr, nss, firefox & rust packages fix security vulnerabilities

Permission leak via embed or object elements. CVE-2024-10458 Use-after-free in layout with accessibility. CVE-2024-10459 Confusing display of origin for external protocol handler prompt. CVE-2024-10460 XSS due to Content-Disposition being ignored in multipart/x-mixed-replace response...

RockyLinux 9 : thunderbird (RLSA-2024:8793)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:8793 advisory. firefox: thunderbird: History interface could have been used to cause a Denial of Service condition in the browser CVE-2024-10464 firefox: thunderbird: X...

firefox: thunderbird: Confusing display of origin for external protocol handler prompt

The Mozilla Foundation's Security Advisory: The origin of an external protocol handler prompt could be obscured using a data: URL within an iframe...

firefox: thunderbird: Confusing display of origin for external protocol handler prompt

The Mozilla Foundation's Security Advisory: The origin of an external protocol handler prompt could be obscured using a data: URL within an iframe...

firefox: thunderbird: Confusing display of origin for external protocol handler prompt

The Mozilla Foundation's Security Advisory: The origin of an external protocol handler prompt could be obscured using a data: URL within an iframe...