ALSA-2026:27733 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Sandbox escape in the DOM: Workers component CVE-2026-12294 firefox: thunderbird: Information disclosure, sandbox escape in the Security: Process...

ALSA-2026:27717 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Sandbox escape in the DOM: Workers component CVE-2026-12294 firefox: thunderbird: Information disclosure, sandbox escape in the Security: Process...

RHEL 9 : firefox (RHSA-2026:27734)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:27734 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Sandbox escape in the DOM: Workers component CVE-2026-12294 firefox: thunderbird: Information disclosure, sandbox escape in the Security: Process...

ROS-20260622-73-0017

The vulnerability of the DOM component in Firefox web browsers, Firefox ESR, and the Thunderbird email client is related to the use of memory after it is released. Exploiting this vulnerability can allow a malicious actor to compromise the confidentiality, integrity, and accessibility of protecte...

RHEL 7 : firefox (RHSA-2026:26551)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26551 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

Vulnerability of the DOM component: Device Interfaces of Mozilla Firefox, Firefox ESR, and the email client Thunderbird, which allow attackers to compromise the integrity and accessibility of protected information.

Vulnerability of the DOM component: Device interfaces of Mozilla Firefox, Firefox ESR, and the email client Thunderbird are vulnerable due to operations that go beyond the buffer in memory. Exploitation of this vulnerability can allow a remote attacker to compromise the integrity and accessibilit...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the Dom::sanitize function. An attacker can execute arbitrary JavaScript code in the context of other users by injecting malicious markup as children of unknown HTML/XML tags, which are not properly sanitize...

Kirby: Cross-site scripting (XSS) from incomplete HTML/XML sanitization in `Dom::sanitize()`

TL;DR This vulnerability affects Kirby sites and plugins that use the writer or list fields or that use $dom-sanitize, Sane::sanitize, Sane\Html::sanitize, Sane\Svg::sanitize, Sane\Xml::sanitize, Sane::sanitizeFile or $file-sanitizeContents with untrusted input. It was possible to inject maliciou...

CVE-2026-42490 domctl lock open to abuse

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. To create and manage guests, domctl operations are used by the control domain, a possible Xenstore domain, or by a domain controlling a particular guest. Some of these...

SUSE CVE-2026-12315

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

PT-2026-50723

Name of the Vulnerable Software and Affected Versions Kirby versions prior to 4.9.4 Kirby versions prior to 5.4.4 Description Kirby sites and plugins that process untrusted input using the writer or list fields, or specific sanitization methods, are subject to stored cross-site scripting XSS. XSS...

RHEL 8 : firefox (RHSA-2026:26629)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26629 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 8 : firefox (RHSA-2026:26606)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26606 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 8 : firefox (RHSA-2026:26630)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26630 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

CVE-2026-48821

Shaarli versions ≤ 0.16.1 are affected by a DOM-based XSS in the Thumbnail Synchronizer. The ThumbnailsController::ajaxUpdate backend returns unescaped bookmark titles in JSON via an AJAX response, which are injected into the DOM by thumbnails-update.js using innerHTML. This requires an administr...

CVE-2026-12295

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

CVE-2026-12294

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

firefox: thunderbird: Privilege escalation in the DOM: Workers component

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

firefox: thunderbird: Use-after-free in the DOM: Bindings (WebIDL) 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: Bindings WebIDL component...