CVE-2026-53752

docx4j , an open-source Java library for OpenXML processing, is vulnerable to a denial of service via a cyclic w:basedOn style inheritance chain. In versions prior to 11.5.14 , PropertyResolver.fillPPrStack and adjacent helpers recurse through style inheritance without cycle detection. A well-for...

CVE-2026-53752 docx4j: Stack Overflow via Cyclic `w:basedOn` Style Chain leads to Denial of Service

docx4j is an open source Java library for creating, editing, and saving OpenXML packages, including DOCX, PPTX, and XLSX files. Prior to 11.5.14, PropertyResolver and adjacent helpers recursively follow the WordprocessingML w:basedOn style inheritance chain without cycle detection. A well-formed...