Information Disclosure in wolfSSL TLS 1.3 PSK Binder Verification
CVE-2025-11932

2.3LOW

Key Information:

Vendor

Wolfssl

Status
Wolfssl
Vendor
CVE Published:
21 November 2025

What is CVE-2025-11932?

The server's method for verifying the TLS 1.3 Pre-Shared Key (PSK) binder was flawed as it relied on a non-constant time algorithm. This design oversight presented a risk of leaking sensitive information regarding the PSK binder, potentially exposing critical elements of the secure communication process.

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Affected Version(s)

wolfSSL 0 < 5.8.4

References

https://github.com/wolfSSL/wolfssl/pull/9223

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Luigino Camastra from Aisle Research
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