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CVE-2025-62875

Local DoS in OpenSMTPD via UNIX domain socket smtpd.sock

MEDIUM
5.5
CVSS Score
Published: November 20, 2025 at 04:02 PM UTC
Updated: October 18, 2026 at 08:10 PM UTC
3 products affected across 3 vendorsopenSUSE TumbleweedOpensmtpdopenSUSE Tumbleweed

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Opensmtpd· Opensmtpd
95%
7.7.07.7.0 p0
openSUSE Tumbleweed· openSUSE
95%
v < 7.8.0p0-1.1
openSUSE Tumbleweed· SUSE
90%
? ≤ v < 7.8.0p0-1.1?
Affected range stops below 7.8.0p0-1.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Issue TrackingPatch
Source: cverecord
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62875
ExploitThird Party Advisory
Source: cverecord
https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html
ExploitMailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2025/10/31/3
ExploitThird Party Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html#reproducer

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-754

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