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Security Advisories

CVE-2026-15308

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-15308

Severity

Unknown
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Summary

Incremental HTMLParser feed() allows CPU-exhaustion DoS via repeated unterminated markup declarations

Description

The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data.

References

Affected packages

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