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CVE-2025-11933

DoS Vulnerability in wolfSSL TLS 1.3 CKS Extension

CVSS 2.3 LOWEPSS 0.4%CWE-20
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.
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
Affected products
wofSSL · wolfSSL

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