CVE-2025-62875

Local DoS in OpenSMTPD via UNIX domain socket smtpd.sock

6.9 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.19%Up 0.2 points since Nov 21, 2025

What each source reports

CVE List Score used 6.9

Local DoS in OpenSMTPD via UNIX domain socket smtpd.sock

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.

Record: CVE-2025-62875
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-754
Updated: 2026-11-02

EUVDEUVD-2025-198303 6.9

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.

Record: EUVD-2025-198303
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-px28-qwg7-83x2 6.9

An Improper Check for Unusual or Exceptional Conditions vulnerability in OpenSMTPD allows local...

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.

Record: GHSA-px28-qwg7-83x2
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-754
Updated: 2026-11-02

NVD 6.9

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.

Record: CVE-2025-62875
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-754
Updated: 2026-11-02

OSV 6.9

Local DoS in OpenSMTPD via UNIX domain socket smtpd.sock

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.

Record: CVE-2025-62875
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-754
Updated: 2026-11-02

OSVDEBIAN-CVE-2025-62875 5.5

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.

Record: DEBIAN-CVE-2025-62875
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2025-62875 6.9

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.

Record: UBUNTU-CVE-2025-62875
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVopenSUSE-SU-2025:15700-1 No score

OpenSMTPD-7.8.0p0-1.1 on GA media

These are all security issues fixed in the OpenSMTPD-7.8.0p0-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2025:15700-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`opensmtpd` Debian:12	All versions, plus listed versions 6.8.0p2-47.3.0p1-17.3.0p2-17.4.0p1-17.4.0p1-1~bpo12+1 Show 6 moreShow less 7.5.0p0-17.6.0p1-17.7.0p0-17.8.0p0-17.8.0p0-27.9.0p0-1	None known
`opensmtpd` Debian:13	All versions, plus listed versions 7.6.0p1-17.7.0p0-17.8.0p0-17.8.0p0-27.9.0p0-1	None known
`opensmtpd` Debian:14	before 7.8.0p0-1, plus listed versions 7.6.0p1-17.7.0p0-1	7.8.0p0-1
`opensmtpd` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 5.3.3p1-45.4.1p1-15.4.1p1-1ubuntu0.1~esm1	None known
`opensmtpd` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 5.4.2p1-45.7.3p1-15.7.3p2-15.7.3p2-1ubuntu0.1~esm15.7.3p2-1ubuntu0.1~esm2	None known
`opensmtpd` Ubuntu:18.04:LTS	All versions, plus listed versions 6.0.2p1-2build16.0.3p1-16.0.3p1-1build16.0.3p1-1ubuntu0.16.0.3p1-1ubuntu0.2	None known
`opensmtpd` Ubuntu:20.04:LTS	All versions, plus listed versions 6.0.3p1-66.0.3p1-6build16.6.1p1-16.6.1p1-36.6.1p1-46.6.1p1-56.6.2p1-16.6.4p1-1	None known
`opensmtpd` Ubuntu:22.04:LTS	All versions, plus listed versions 6.8.0p2-36.8.0p2-46.8.0p2-4build1	None known
`opensmtpd` Ubuntu:24.04:LTS	All versions, plus listed versions 7.3.0p1-17.3.0p2-17.4.0p1-17.4.0p1-1build27.4.0p1-1build4	None known
`opensmtpd` Ubuntu:25.10	All versions, plus listed versions 7.5.0p0-17.7.0p0-1	None known
`opensmtpd` Ubuntu:26.10	All versions, plus listed versions 7.8.0p0-27.8.0p0-2build1	None known
`opensmtpd` Ubuntu:26.04:LTS	All versions, plus listed versions 7.7.0p0-17.8.0p0-17.8.0p0-2	None known
`OpenSMTPD` openSUSE:Tumbleweed	before 7.8.0p0-1.1	7.8.0p0-1.1

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-62875 is a medium vulnerability (CVSS 6.9) in Opensmtpd, published November 4, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. Fixed in opensmtpd 7.8.0p0-1.

References

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