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Signals Exploited in the wild (KEV) 0 Patch available 1 No fix listed 1 Has CVE 2

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Weakness (CWE) CWE-248 Uncaught Exception 1 CWE-400 Uncontrolled Resource Consumption 1 CWE-407 Inefficient Algorithmic Complexity 1

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Vendor: Python-Markdown × Clear all filters

TI-2019-16194 CVE-2019-25781 · GHSA-4g9h-pv2v-fw83

Denial of service in Python-Markdown via unmatched link brackets

Priority HIGH 77

Python-Markdown 3.0 through 3.11.2 contains an algorithmic complexity vulnerability in inline link parsing that allows remote attackers to exhaust CPU through unmatched brackets.

CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00422 · Published 2026-10-29 · No fix listed CWE-407

TI-2025-42876 CVE-2025-69534 · GHSA-5wmx-573v-2qwq

Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences…

Priority HIGH 72

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.

CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00663 · Published 2026-03-05 · Partial fix · 3.8.1 CWE-400

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