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CVE-2025-11935
wolfSSL vulnerability analysis and mitigation

With TLS 1.3 pre-shared key (PSK) a malicious or faulty server could ignore the request for PFS (perfect forward secrecy) and the client would continue on with the connection using PSK without PFS. This happened when a server responded to a ClientHello containing psk_dhe_ke without a key_share extension. The re-use of an authenticated PSK connection that on the clients side unexpectedly did not have PFS, reduces the security of the connection.


SourceNVD

Related wolfSSL vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-3549HIGH8.3
  • wolfSSLwolfSSL
  • wolfssl
NoYesMar 19, 2026
CVE-2026-3547HIGH7.5
  • wolfSSLwolfSSL
  • wolfssl
NoYesMar 19, 2026
CVE-2026-3849MEDIUM6.9
  • wolfSSLwolfSSL
  • cpe:2.3:a:wolfssl:wolfssl
NoYesMar 19, 2026
CVE-2026-4395LOW1.3
  • wolfSSLwolfSSL
  • wolfssl
NoYesMar 19, 2026
CVE-2026-4159LOW1.2
  • wolfSSLwolfSSL
  • cpe:2.3:a:wolfssl:wolfssl
NoYesMar 19, 2026

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