CVE-2026-15308 | Python up to 3.14.x Incremental HTML Parser HTMLParser denial of service

A vulnerability marked as problematic has been reported in Python up to 3.14.x. The impacted element is the function HTMLParser of the component Incremental HTML Parser. Performing a manipulation results in denial of service.

This vulnerability is identified as CVE-2026-15308. The attack can be initiated remotely. There is not any exploit available.