CVE-2026-8962

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11...

CVE-2026-8962

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11...

CVE-2026-8948

Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

CVE-2026-8948 Same-origin policy bypass in the DOM: Networking component

Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

CVE-2026-8948

Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

PT-2026-41923

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 151 Thunderbird versions prior to 151 Description A mitigation bypass exists within the DOM security component...

PT-2026-41901

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 151 Firefox ESR versions prior to 115.36 Firefox ESR versions prior to 140.11 Thunderbird versions prior to 151 Thunderbird versions prior to 140.11 Description A use-after-free issue exists in the DOM: Bindings WebID...

PT-2026-41916

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 151 Firefox ESR versions prior to 140.11 Thunderbird versions prior to 151 Thunderbird versions prior to 140.11 Description A mitigation bypass exists within the DOM security component. Recommendations Update to versi...

PT-2026-41909

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 151 Firefox ESR versions prior to 140.11 Thunderbird versions prior to 151 Thunderbird versions prior to 140.11 Description A privilege escalation issue exists within the DOM: Workers component...

ALSA-2026:19348 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-6754 firefox: thunderbird: Spoofing...

PT-2026-41919

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 151 Thunderbird versions prior to 151 Description An information disclosure issue exists within the DOM security component...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-6754 firefox: thunderbird: Spoofing...

CVE-2026-44549

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated...

Vulnerability of the DOM component: The security features of Mozilla Firefox, Firefox ESR, and the email client Thunderbird allow attackers to circumvent existing security restrictions.

Vulnerability of the DOM component: The security of Mozilla Firefox, Firefox ESR, and the email client Thunderbird relies on bypassing authentication using an alternative path or channel. Exploiting this vulnerability allows a malicious actor to circumvent existing security restrictions remotely...

PT-2026-41421

Name of the Vulnerable Software and Affected Versions jsondiffpatch versions prior to 0.7.6 Description Improper sanitization of JSON values and property names in the annotated formatter allows for Cross-site Scripting XSS. This occurs when an application compares untrusted JSON or object data an...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 9.6 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 available for...

firefox: thunderbird: Spoofing issue in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the DOM: Core & HTML component...

firefox: thunderbird: Incorrect boundary conditions in the DOM: Device Interfaces component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the DOM: Device Interfaces component...

firefox: thunderbird: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

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