CVE-2010-2540: OSGeo Mapserver

High severity, CVSS 10.0. EPSS: 3.8% chance of exploitation in the next 30 days.

mapserv.c in mapserv in MapServer before 4.10.6 and 5.x before 5.6.4 does not properly restrict the use of CGI command-line arguments that were intended for debugging, which allows remote attackers to have an unspecified impact via crafted arguments.

Affected products

• OSGeo Mapserver: up to and including 4.10.5; version 4.2.0 only; version 4.4.0 only; version 4.6.0 only; version 4.8.0 only; version 4.10.0 only; …
• Umn Mapserver: version 4.0 only

Published 2010-08-02. Last modified 2026-06-16.