Potential DoS Vulnerability through Multiple KeyShareEntry with Same Group in TLS 1.3 ClientHello

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DEBIAN-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...

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...

UBUNTU-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...

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 sending a crafted ClientHello message containing duplicate KeyShareEntry values for the same supported group, leading to...

CVE-2025-11936

The vulnerability is in wolfSSL v5.8.2: improper input validation in TLS 1.3 KeyShareEntry parsing can cause a DoS when a ClientHello contains duplicate KeyShareEntry values for the same supported group. This leads to excessive CPU and memory usage during ClientHello processing. The available doc...

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...

PT-2025-47818

Name of the Vulnerable Software and Affected Versions wolfSSL version 5.8.2 Description A flaw exists in the TLS 1.3 KeyShareEntry parsing within wolfSSL. This issue allows a remote, unauthenticated attacker to trigger a denial-of-service condition. The attack involves sending a specially crafted...