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CVE-2025-11933

2.3 low SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 2.3 · wolfsslNVD modified 2026-10-08 10:10

Affected (CPE criteria) 1

  • cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*

References 2