What is CVE-2026-6325?

CVE-2026-6325 is a high-severity vulnerability in Wolfssl, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2026-06-25.

How severe is CVE-2026-6325?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Wolfssl

CVE-2026-6325

Out-of-bounds write in SetSuitesHashSigAlgo when processing an oversized signature algorithms list, allowing a write past the bounds of the destination buffer.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (7.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Wolfssl — versions 4.8.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

facts@wolfssl.com (Patch, patch, Issue Tracking)
facts@wolfssl.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-6325?: CVE-2026-6325 is a high-severity vulnerability in Wolfssl, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2026-06-25.
How severe is CVE-2026-6325?: High severity. CVSS v3 base score is 7.5 out of 10.