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CWE

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CVE-2026-7263

Published: May 10, 2026

Modified: May 11, 2026

PUBLISHED

Description

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.

Vendor	Product	Versions
PHP Group	PHP	affected `8.4.* - < 8.4.21` affected `8.5.* - < 8.5.6`

Weaknesses (CWE)

References

https://github.com/php/php-src/security/advisories/GHSA-4jhr-8w89-j733

vendor-advisory

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