CVE-2026-15308EPSS p48.7%

CVE-2026-15308CVE-2026-15308

python / python

Description

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

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS0.64% probability of exploitation · percentile 48.7% · 2026-10-05T12:00:23Z
Last modified2026-08-20
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.