CVE-2025-11936 — Potential DoS Vulnerability through Multiple KeyShareEntry with Same Group in TLS 1.3 ClientHello
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 s…
Published: 2025-11-21 · CVSS: 6.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7