Vulnerability in Wolfssl

CVE-2025-11932

The server previously verified the TLS 1.3 PSK binder using a non-constant time method which could potentially leak information about the PSK binder

EPSS: 0.003 (17.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Wolfssl — versions 0, 5.8.2

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

facts@wolfssl.com (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2025-11932?: CVE-2025-11932 is a medium-severity vulnerability in Wolfssl, classified under Observable Discrepancy. CVSS score: 4.3/10. Published 2025-11-21.
How severe is CVE-2025-11932?: Medium severity. CVSS v3 base score is 4.3 out of 10.