# CVE-2026-43859

## Summary

- **CVE ID:** CVE-2026-43859
- **Severity:** LOW
- **CVSS Score:** 3.7 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)
- **CWE:** CWE-158
- **Published:** May 4, 2026
- **Last Modified:** May 4, 2026

## Description

mutt before 2.3.2 sometimes uses strfcpy instead of memcpy for the IMAP auth_cram MD5 digest.

## Affected Products

- mutt — mutt (0)

## References

- [CNA](https://github.com/muttmua/mutt/commit/834c5a2ed0479e51e8662a31caed129f136f4805)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.16%
- **EPSS Percentile:** 5.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._