CVE-2025-62875

low-risk

Published 2025-11-20

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.

Do I need to act?

0.03% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (2)

Opensmtpd

Tumbleweed

Affected Vendors

Opensuse Opensmtpd

References (4)

Issue Tracking https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62875

Exploit https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html

Exploit http://www.openwall.com/lists/oss-security/2025/10/31/3

Exploit https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html#reproducer

/ 100

low-risk

Severity 18/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 7/34 · Low