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CVE-2025-62875

Local DoS in OpenSMTPD via UNIX domain socket smtpd.sock

Published: Nov 20, 2025Updated: Jan 15, 2026 Sources: CVE List NVDCWE-754
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.2%
Top 95.0%
CISA KEV
Not in KEV
Exploits
3 Known
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-754

Affected Products

openSUSE TumbleweedSUSE
On-prem
Operating Systems / linux-distro
opensmtpdopensmtpd
On-prem
Communications / email-server-client
tumbleweedopensuse
On-prem
Operating Systems / linux-distro
susecommercialDEOperating Systems
opensmtpdoss-projectCommunications
opensuseoss-projectDEOperating Systemsaka opensuse

Exploitability

3 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62875
bugzilla.suse.com
https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html
security.opensuse.org
http://www.openwall.com/lists/oss-security/2025/10/31/3
openwall.com
and 1 more references View all →

Timeline

Published
Nov 20, 2025
Last Updated
Jan 15, 2026

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