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High 7.5 CVSS 3.1 PHP Published on 2026-05-10

In PHP versions 8.4. before 8.4.21 and 8.5.

CVECVE-2026-7263 GHSANo GHSA advisory
View at the source View JSON Last modified at the source: 2026-07-24

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.

Original text by NVD (NIST), public domain.

CVSS metrics 3.1

Source: security@php.net · secondary
High 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vectorNetwork
ComplexityLow
Attack requirementsPresent
Privileges requiredNone
User interactionNone
Confidentiality (system)None
Integrity (system)None
Availability (system)Low
Confidentiality (others)None
Integrity (others)None
Availability (others)Low

References

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