CVE-2026-45104

MapServer is a system for developing web-based GIS applications. From 6.4.0 to before 8.6.3, msSLDParseUserStyle always calls SLDApplyRuleValuespsRule, psLayer, 1; for any carrying — it assumes msSLDParseRule added one class. When the rule has no symbolizer a structurally valid SLD, msSLDParseRul...

CVE-2026-45104: Improper Validation of Array Index

MapServer is a system for developing web-based GIS applications. From 6.4.0 to before 8.6.3, msSLDParseUserStyle always calls SLDApplyRuleValuespsRule, psLayer, 1; for any carrying — it assumes msSLDParseRule added one class. When the rule has no symbolizer a structurally valid SLD, msSLDParseRul...

Mapserver code-related vulnerabilities

Mapserver is a set of open-source platforms developed by the Open Geospatial Foundation, designed for publishing spatial data and interactive map applications to the Web. Versions of MapServer from 6.4.0 to 8.6.3 had code vulnerabilities. These vulnerabilities stemmed from improper handling of...