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...