# CVE-2025-61962

## Summary

- **CVE ID:** CVE-2025-61962
- **Severity:** MEDIUM
- **CVSS Score:** 5.9 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-142
- **Published:** Oct 4, 2025
- **Last Modified:** Mar 12, 2026

## Description

In fetchmail before 6.5.6, the SMTP client can crash when authenticating upon receiving a 334 status code in a malformed context.

## Affected Products

- fetchmail — fetchmail (5.9.9)

## References

- [CNA](https://www.openwall.com/lists/oss-security/2025/10/03/2)
- [CNA](https://www.fetchmail.info/fetchmail-SA-2025-01.txt)
- [CNA](https://gitlab.com/fetchmail/fetchmail/-/commit/4c3cebfa4e659fb778ca2cae0ccb3f69201609a8)
- [CVE](http://www.openwall.com/lists/oss-security/2025/10/04/3)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.41%
- **EPSS Percentile:** 34.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._