What is CVE-2025-62875?

CVE-2025-62875 is a medium-severity vulnerability in Opensmtpd, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2025-11-20.

How severe is CVE-2025-62875?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Opensmtpd

CVE-2025-62875

An Improper Check for Unusual or Exceptional Conditions vulnerability in OpenSMTPD allows local users to crash OpenSMTPD. This issue affects openSUSE Tumbleweed: from ? before 7.8.0p0-1.1.

Published 2025-11-20 · last modified 2026-10-18.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (6.8th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

bugzilla.suse.com/show_bug.cgi (Patch, Issue Tracking)
security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html (Exploit, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Exploit, Mailing List, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-62875?: CVE-2025-62875 is a medium-severity vulnerability in Opensmtpd, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2025-11-20.
How severe is CVE-2025-62875?: Medium severity. CVSS v3 base score is 5.5 out of 10.