CVE-2026-4224 — Stack overflow parsing XML with deeply nested DTD content models
When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs.
Published: 2026-03-16 · CVSS: 6.0 · CVSS 4.0
When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7