firefox: thunderbird: Same-origin policy bypass in the DOM: Navigation component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Navigation component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Navigation component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Navigation component...

firefox: thunderbird: Same-origin policy bypass in the Networking: DNS component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: DNS component...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is availabl...

RHEL 10 : thunderbird (RHSA-2026:53445)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:53445 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the DOM:...

CVE-2026-48085

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.1, a fully provisioned OpenReception instance accepts unauthenticated POST requests to /setup/create-admin-account and creates additional GLOBALADMIN accounts without...

CVE-2026-48085 OpenReception has unauthenticated GLOBAL_ADMIN account creation post-bootstrap

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.1, a fully provisioned OpenReception instance accepts unauthenticated POST requests to /setup/create-admin-account and creates additional GLOBALADMIN accounts without...

CVE-2026-66843 html_sanitize_ex HTML5 scrubber keeps attacker-supplied `<object>` elements, allowing untrusted content embedding

Inclusion of Functionality from Untrusted Control Sphere vulnerability in the HTML5 scrubber in rrrene htmlsanitizeex allows a remote attacker to load a document of their choosing into a trusted page via the data attribute of an element in sanitized HTML. object is the one URI-bearing element in...

CVE-2026-66843

Inclusion of Functionality from Untrusted Control Sphere vulnerability in the HTML5 scrubber in rrrene htmlsanitizeex allows a remote attacker to load a document of their choosing into a trusted page via the data attribute of an element in sanitized HTML. object is the one URI-bearing element in...

EUVD-2026-54080

Inclusion of Functionality from Untrusted Control Sphere vulnerability in the HTML5 scrubber in rrrene htmlsanitizeex allows a remote attacker to load a document of their choosing into a trusted page via the data attribute of an element in sanitized HTML. object is the one URI-bearing element in...

EEF-CVE-2026-66843 html_sanitize_ex HTML5 scrubber keeps attacker-supplied `<object>` elements, allowing untrusted content embedding

Summary Inclusion of Functionality from Untrusted Control Sphere vulnerability in the HTML5 scrubber in rrrene html\sanitize\ex allows a remote attacker to load a document of their choosing into a trusted page via the data attribute of an element in sanitized HTML. object is the one URI-bearing...

RLSA-2026:49621 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component CVE-2026-15718 firefox: thunderbird: Mitigation...

thunderbird security update

An update is available for thunderbird. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Thunderbird is a standalone mail and newsgroup client. Security...

RockyLinux 9 : thunderbird (RLSA-2026:49921)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:49921 advisory. firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript:...

AlmaLinux 10 : firefox (ALSA-2026:47101)

The remote AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:47101 advisory. firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript:...

TencentOS Server 4: firefox (TSSA-2026:0788)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0788 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

Astra Linux – Vulnerability in Firefox

Bypass of same-origin policy in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

Astra Linux – Vulnerability in Firefox

Bypass of the same-origin policy in the Networking:Cookies component. This vulnerability has been fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

GHSA-3XPF-XQ7R-V8C5 Open WebUI: Same-origin XSS to account takeover via terminal file-preview iframe hardcoding allow-same-origin

Summary Any authenticated user with access to a terminal server could get script of their choosing to run in the Open WebUI origin itself. The HTML file preview rendered terminal-served files in an iframe whose sandbox always granted allow-same-origin alongside allow-scripts, and the file is serv...

Open WebUI: Same-origin XSS to account takeover via terminal file-preview iframe hardcoding allow-same-origin

Summary Any authenticated user with access to a terminal server could get script of their choosing to run in the Open WebUI origin itself. The HTML file preview rendered terminal-served files in an iframe whose sandbox always granted allow-same-origin alongside allow-scripts, and the file is serv...