#VU117379 Input validation error in Fetchmail - CVE-2025-61962

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU117379

#VU117379 Input validation error in Fetchmail - CVE-2025-61962

Published: October 20, 2025


Vulnerability identifier: #VU117379
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-61962
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Fetchmail
Software vendor:
fetchmail.berlios.de

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input during authentication. A remote attacker that controls SMTP server can send 334 status code response and crash the mail client.


Remediation

Install updates from vendor's website.

External links