fetchmail 4.6.3 through 6.3.16, when debug mode is enabled, does not properly handle invalid characters in a multi-character locale, which allows remote attackers to cause a denial of service (memory consumption and application crash) via a crafted (1) message header or (2) POP3 UIDL list.
CVSS Details
- CVSS 3.1 Base Score: 5.3
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade fetchmail | Jul 30, 2024 | May 7, 2010 |
| Freebsd | — | Upgrade fetchmail | Dec 10, 2025 | Apr 20, 2010 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 18, 2010 |
| Suse | — | Upgrade fetchmailconfUpgrade fetchmail | Aug 9, 2024 | Jul 9, 2013 |
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