CVE-2025-62875
Local DoS in OpenSMTPD via UNIX domain socket smtpd.sock
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.
INFO
Published Date :
Nov. 20, 2025, 4:16 p.m.
Last Modified :
Jan. 15, 2026, 7:03 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update OpenSMTPD to the patched version.
- Restart the OpenSMTPD service.
- Verify the update was successful.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-62875.
| URL | Resource |
|---|---|
| https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62875 | Issue Tracking Patch |
| https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html | Exploit Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2025/10/31/3 | Exploit Mailing List Third Party Advisory |
| https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html#reproducer | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-62875 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-62875
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-62875 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-62875 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 15, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:opensmtpd:opensmtpd:7.7.0:p0:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:opensuse:tumbleweed:*:*:*:*:*:*:*:* versions up to (excluding) 7.8.0p0-1.1 Added Reference Type SUSE: https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62875 Types: Issue Tracking, Patch Added Reference Type SUSE: https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html Types: Exploit, Third Party Advisory Added Reference Type CISA-ADP: https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html#reproducer Types: Exploit, Third Party Advisory Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2025/10/31/3 Types: Exploit, Mailing List, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 21, 2025
Action Type Old Value New Value Added Reference https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html#reproducer -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 20, 2025
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2025/10/31/3 -
New CVE Received by [email protected]
Nov. 20, 2025
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CWE CWE-754 Added Reference https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62875 Added Reference https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html