CVE-2011-2975: OSGeo Mapserver

Medium severity, CVSS 6.8. EPSS: 4.6% chance of exploitation in the next 30 days.

Double free vulnerability in the msAddImageSymbol function in mapsymbol.c in MapServer before 6.0.1 might allow remote attackers to cause a denial of service (application crash) or have unspecified other impact via crafted mapfile data.

Affected products

• OSGeo Mapserver: up to and including 6.0.0; 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 4.10.7 only; version 5.2.2 only; version 5.2.3 only; version 5.6.4 only; version 5.6.5 only; version 5.6.6 only; …

Published 2011-08-01. Last modified 2026-06-16.