Important: python-markdown security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

CentOS 9 : python-markdown-3.3.4-5.el9

The remote CentOS Linux 9 host has a package installed that is affected by a vulnerability as referenced in the python- markdown-3.3.4-5.el9 build changelog. - Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an...

python-markdown: denial of service via malformed HTML-like sequences

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...

Important: Red Hat Security Advisory: Satellite 6.16.8 Async Update

An update is now available for Red Hat Satellite 6.16 for RHEL 8 and RHEL 9. 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 each vulnerability...

python-markdown: denial of service via malformed HTML-like sequences

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...

python-markdown: denial of service via malformed HTML-like sequences

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...

python-markdown: denial of service via malformed HTML-like sequences

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...

OESA-2026-1790 python-markdown security update

This is a Python implementation of John Gruber’s Markdown. It is almost completely compliant with the reference implementation, though there are a few known issues. Security Fixes: Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause...

Amazon Linux 2023 : python3-markdown (ALAS2023-2026-1492)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1492 advisory. 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-...

Important: python-markdown

Issue Overview: 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...

openSUSE 15 Security Update : python-Markdown (SUSE-SU-2026:0846-1)

The remote openSUSE 15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:0846-1 advisory. This update for python-Markdown fixes the following issue: - CVE-2025-69534: incomplete markup declaration in raw HTML can crash applications that process...

openSUSE Security Advisory (SUSE-SU-2026:0846-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Denial Of Service (DoS)

Python-Markdown is vulnerable to Denial of Service DoS. The vulnerability is due to improper handling of malformed HTML-like sequences during Markdown parsing, where html.parser.HTMLParser may raise an unhandled AssertionError, allowing attacker-supplied Markdown input to crash the application...

SUSE-SU-2026:0846-1 Security update for python-Markdown

This update for python-Markdown fixes the following issue: - CVE-2025-69534: incomplete markup declaration in raw HTML can crash applications that process untrusted Markdown bsc1259256...

SUSE 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...

Linux Distros Unpatched Vulnerability : CVE-2025-69534

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError...

CVE-2025-69534

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...

EUVD-2025-208312

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...

Python-Markdown has an Uncaught Exception

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...