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Python Html.parser: vulnerabilities and CVEs

Python Html.parser has 1 published vulnerabilities, 0 of them in the last 12 months. 0 are rated critical and 0 are listed by CISA as actively exploited.

CVEs1
Last 12 months0
Critical0
Actively exploited0

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Latest vulnerabilities

CVESeverityEPSSActive exploitationPublishedDescription
CVE-2025-6069Medium (4.3)0.59%—Jun 17, 2025
The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service.

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