CVE-2025-69534

Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. Because Python-Markdown does not catch this exception, any application that processes attacker-controlled Markdown...

PYSEC-2026-89

Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. Because Python-Markdown does not catch this exception, any application that processes attacker-controlled Markdown...

CVE-2025-69534

Python-Markdown 3.8 contains a parsing fault where malformed HTML-like sequences can trigger an unhandled AssertionError in html.parser.HTMLParser during Markdown processing. This can cause remote, unauthenticated Denial of Service in any application that renders untrusted Markdown (web apps, doc...

firefox: thunderbird: Mitigation bypass in the DOM: HTML Parser component

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

firefox: thunderbird: Mitigation bypass in the DOM: HTML Parser component

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

firefox: thunderbird: Mitigation bypass in the DOM: HTML Parser component

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

firefox: thunderbird: Mitigation bypass in the DOM: HTML Parser component

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

firefox: thunderbird: Mitigation bypass in the DOM: HTML Parser component

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

firefox: thunderbird: Mitigation bypass in the DOM: HTML Parser component

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

firefox: thunderbird: Mitigation bypass in the DOM: HTML Parser component

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

firefox: thunderbird: Mitigation bypass in the DOM: HTML Parser component

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

RLSA-2026:3338 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety bugs fixed in Firef...

firefox: thunderbird: Mitigation bypass in the DOM: HTML Parser component

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

firefox: thunderbird: Mitigation bypass in the DOM: HTML Parser component

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

SUSE CVE-2026-2775

Mitigation bypass in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

ALSA-2026:3338 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety bugs fixed in Firef...

CVE-2026-2775

Mitigation bypass in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

CVE-2026-2775

Mitigation bypass in the DOM: HTML Parser component. This vulnerability affects Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

UBUNTU-CVE-2026-2775

Mitigation bypass in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

CVE-2026-2775

Mitigation bypass in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...