CVE-2025-66199: TLS 1.3 CompressedCertificate excessive memory allocation
Overview
- Severity
- Medium (CVSS 5.9)
- CVSS Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Jan
- Released
- 2026-10-11
- Last Updated
- 2026-10-12
- EPSS Score
- 0.45% (percentile: 37.5%)
Affected Products (1)
Other
Revision History
- 2026-10-11: Information published.
- 2026-10-12: Information published.