What is CVE-2025-30334?

CVE-2025-30334 is a medium-severity vulnerability in Openbsd, classified under Incorrect Calculation of Buffer Size. CVSS score: 6.5/10. Published 2025-03-20.

How severe is CVE-2025-30334?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Openbsd

CVE-2025-30334

In OpenBSD 7.6 before errata 006 and OpenBSD 7.5 before errata 015, traffic sent over wg(4) could result in kernel crash.

EPSS: 0.004 (33.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Openbsd — versions 7.6, 7.6 errata 008, 7.5

Weakness classification (CWE)

CWE-131 — Incorrect Calculation of Buffer Size

References

9119a7d8-5eab-497f-8521-727c672e3725 (Patch)
9119a7d8-5eab-497f-8521-727c672e3725 (Patch)
9119a7d8-5eab-497f-8521-727c672e3725 (Patch)

Frequently asked questions

What is CVE-2025-30334?: CVE-2025-30334 is a medium-severity vulnerability in Openbsd, classified under Incorrect Calculation of Buffer Size. CVSS score: 6.5/10. Published 2025-03-20.
How severe is CVE-2025-30334?: Medium severity. CVSS v3 base score is 6.5 out of 10.