CVE-2026-7263 — DoS attack via DOMNode::C14N()
In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data incorrectly, causing a circular linked list in the data structure rep…
Published: 2026-05-10 · CVSS: 6.3 · CVSS 4.0
In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data incorrectly, causing a circular linked list in the data structure representing the XML document. This may cause subsequent processing of the XML document to enter infinite loop, causing denial of service in the processing application.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7