Vulnerability Database

315,363

Total vulnerabilities in the database

CVE-2025-11936

Improper input validation in the TLS 1.3 KeyShareEntry parsing in wolfSSL v5.8.2 on multiple platforms allows a remote unauthenticated attacker to cause a denial-of-service by sending a crafted ClientHello message containing duplicate KeyShareEntry values for the same supported group, leading to excessive CPU and memory consumption during ClientHello processing.

  • Published: Nov 21, 2025
  • Updated: Dec 4, 2025
  • CVE: CVE-2025-11936
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.3
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWEs:

Software From Fixed in
wolfssl / wolfssl 5.8.2 5.8.4