firefox: thunderbird: Process isolation bypass using "javascript:" URI links in cross-origin frames

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended...

ALSA-2025:7506 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Privilege escalation in Firefox Updater CVE-2025-2817 firefox: thunderbird: Unsafe attribute access during XPath parsing CVE-2025-4087 firefox:...

firefox: thunderbird: Process isolation bypass using "javascript:" URI links in cross-origin frames

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended...

firefox: thunderbird: Process isolation bypass using "javascript:" URI links in cross-origin frames

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended...

firefox: thunderbird: Process isolation bypass using "javascript:" URI links in cross-origin frames

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 9.4 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: Process isolation bypass using "javascript:" URI links in cross-origin frames

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended...

firefox: thunderbird: Process isolation bypass using "javascript:" URI links in cross-origin frames

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended...

firefox: thunderbird: Process isolation bypass using "javascript:" URI links in cross-origin frames

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended...

firefox: thunderbird: Process isolation bypass using "javascript:" URI links in cross-origin frames

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended...

firefox: thunderbird: Process isolation bypass using "javascript:" URI links in cross-origin frames

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended...

SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2025:1414-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2025:1414-1 advisory. - Firefox Extended Support Release 128.10.0 ESR MFSA 2025-29 bsc1241621: CVE-2025-2817: Potential privilege escalation in Firefox Updater...

GHSA-PGFX-G6RC-8CJV swift-nio-http2 vulnerable to denial of service via ALTSVC or ORIGIN frames

A program using swift-nio-http2 is vulnerable to a denial of service attack caused by a network peer sending ALTSVC or ORIGIN frames. This attack affects all swift-nio-http2 versions from 1.0.0 to 1.19.1. It is fixed in 1.19.2 and later releases. This vulnerability is caused by a logical error...

swift-nio-http2 vulnerable to denial of service via ALTSVC or ORIGIN frames

A program using swift-nio-http2 is vulnerable to a denial of service attack caused by a network peer sending ALTSVC or ORIGIN frames. This attack affects all swift-nio-http2 versions from 1.0.0 to 1.19.1. It is fixed in 1.19.2 and later releases. This vulnerability is caused by a logical error...

SUSE CVE-2018-5116

WebExtensions with the "ActiveTab" permission are able to access frames hosted within the active tab even if the frames are cross-origin. Malicious extensions can inject frames from arbitrary origins into the loaded page and then interact with them, bypassing same-origin user expectations with th...

Denial of Service (DoS)

Overview apple/swift-nio-http2 is a HTTP/2 support for SwiftNIO. Affected versions of this package are vulnerable to Denial of Service DoS. This can be caused by a network peer sending ALTSVC or ORIGIN frames, due to a logical error after frame parsing but before frame handling. Details Denial of...

Duplicate advisory: swift-nio-http2 vulnerable to denial of service via ALTSVC or ORIGIN frames

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-pgfx-g6rc-8cjv. This link is maintained to preserve external references. Original Description A program using swift-nio-http2 is vulnerable to a denial of service attack caused by a network peer sending ALTSVC o...

CVE-2022-24668

CVE-2022-24668 affects the Swift NIO HTTP/2 library (swift-nio-http2) across versions 1.0.0–1.19.1. The root cause is a logic error after frame parsing but before frame handling: ALTSVC and ORIGIN frames, which are not supported, are mishandled via a trap in one code path. This can be exploited b...

PT-2022-16786 · Apple · Swift-Nio-Http2

Name of the Vulnerable Software and Affected Versions: swift-nio-http2 versions 1.0.0 through 1.19.1 Description: A program using swift-nio-http2 is vulnerable to a denial of service attack caused by a network peer sending ALTSVC or ORIGIN frames. This attack is caused by a logical error after...

CVE-2018-5116

WebExtensions with the "ActiveTab" permission are able to access frames hosted within the active tab even if the frames are cross-origin. Malicious extensions can inject frames from arbitrary origins into the loaded page and then interact with them, bypassing same-origin user expectations with th...