CVE-2005-4348

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-12-21 · updated 2026-06-16
Weakness: CWE-399

Description

fetchmail before 6.3.1 and before 6.2.5.5, when configured for multidrop mode, allows remote attackers to cause a denial of service (application crash) by sending messages without headers from upstream mail servers.

Affected products

fetchmail: from 6.2.0 before 6.2.5.5; from 6.3.0 before 6.3.1 — fixed in 6.2.5.5, 6.3.1

How to fix

Upgrade to a fixed version: fetchmail 6.2.5.5, 6.3.1. Check the vendor advisory for mitigations.

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=343836
http://fetchmail.berlios.de/fetchmail-SA-2005-03.txt
http://secunia.com/advisories/17891
http://secunia.com/advisories/18172
http://secunia.com/advisories/18231
http://secunia.com/advisories/18266
http://secunia.com/advisories/18433
http://secunia.com/advisories/18463
http://secunia.com/advisories/18895
http://secunia.com/advisories/21253
http://secunia.com/advisories/24007

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