CVE-2025-6069

Name of the Vulnerable Software and Affected Versions Python (affected versions not specified)

Description The html.parser.HTMLParser class contains a flaw where processing certain crafted malformed inputs results in worst-case quadratic complexity. This occurs due to the use of a regular expression with inefficient computational complexity, which can lead to CPU exhaustion and an amplified denial-of-service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.