Unrated severityNVD Advisory· Published Nov 21, 2025· Updated Dec 8, 2025
DoS Vulnerability in wolfSSL TLS 1.3 CKS Extension
CVE-2025-11933
Description
Improper Input Validation in the TLS 1.3 CKS extension parsing in wolfSSL 5.8.2 and earlier on multiple platforms allows a remote unauthenticated attacker to potentially cause a denial-of-service via a crafted ClientHello message with duplicate CKS extensions.
Affected products
2- wofSSL/wolfSSLv5Range: 3.12.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
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