CyberRota Analysis
AI-GeneratedMistune, a Python Markdown parser, is vulnerable to a denial of service attack due to inefficient handling of repeated or distinct reference-link definitions, leading to CPU exhaustion. This issue affects versions prior to 3.3.0 and can significantly degrade performance when processing complex Markdown documents. Developers and organizations utilizing Mistune for Markdown parsing should prioritize upgrading to version 3.3.0 to mitigate this high-severity vulnerability.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, a Markdown document containing many repeated or distinct reference-link definitions causes quadratic work in src/mistune/block_parser.py and the ref_links environment dictionary handling, allowing denial of service through CPU exhaustion. This issue is fixed in version 3.3.0.
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