CVE-2009-3490: GNU Wget

Medium severity, CVSS 6.8. EPSS: 3.5% chance of exploitation in the next 30 days.

GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common Name field of an X.509 certificate, which allows man-in-the-middle remote attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Affected products

• GNU Wget: up to and including 1.11.4; version 1.5.3 only; version 1.6 only; version 1.7 only; version 1.7.1 only; version 1.8 only; …

Published 2009-09-30. Last modified 2026-06-16.