CVE-2026-7263

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H                                    

Vulnerability 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.

Vulnerability Details

Published Date

May 10, 2026

Last Modified

May 12, 2026

CWE ID

CWE-404

Source

NVD

Vendor

php

Product

php

External References

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

CVSS Score & Metrics

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