CVE-2026-15308: Incremental HTMLParser feed() allows CPU-exhaustion DoS via repeated unterminated markup declarations
Overview
- Severity
- High (CVSS 7.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Jul
- Released
- 2026-07-12
- EPSS Score
- 0.55% (percentile: 42.3%)
Affected Products (1)
Open Source Software
- azl3 python3 3.12.9-13 on Azure Linux 3.0
Revision History
- 2026-07-12: Information published.