Which versions of Opensmtpd are affected by CVE-2025-62875?

CVE-2025-62875 presents notable security risk rated CVSS 6.9. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available.. A patch is available.

Is there a public PoC exploit available for CVE-2025-62875?

Yes, a public proof-of-concept exploit is available for CVE-2025-62875. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-62875?

Within 7 days: Identify affected systems and apply vendor patches promptly. Vendor patch is available.

Opensmtpd CVE-2025-62875

Q: What is the CVSS score of CVE-2025-62875?

CVE-2025-62875 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: CVSS: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. EPSS exploitation probability: 0.0%.

MEDIUM

Improper Check for Unusual or Exceptional Conditions (CWE-754)

2025-11-20 meissner@suse.de

Denial Of Service Opensmtpd Tumbleweed Suse

6.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.9 MEDIUM

CVSS: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

SUSE

5.5 MEDIUM

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD.

CVSS VectorNVD

CVSS: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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

Patch released

Mar 28, 2026 - 19:23 nvd

Patch available

PoC Detected

Jan 15, 2026 - 19:03 vuln.today

Public exploit code

CVE Published

Nov 20, 2025 - 16:16 nvd

MEDIUM 6.9

DescriptionCVE.org

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.

AnalysisAI

An Improper Check for Unusual or Exceptional Conditions vulnerability in OpenSMTPD allows local users to crash OpenSMTPD.8.0p0-1.1. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-754. An Improper Check for Unusual or Exceptional Conditions vulnerability in OpenSMTPD allows local users to crash OpenSMTPD.8.0p0-1.1. Affected products include: Opensmtpd, Opensuse Tumbleweed. Version information: before 7.8.0.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Vendor StatusVendor

SUSE

Severity: Medium

Product	Status
openSUSE Tumbleweed	Fixed

CVE-2025-62875 vulnerability details – vuln.today

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Opensmtpd CVE-2025-62875

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

Vendor StatusVendor

SUSE

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External POC / Exploit Code