Vulnerability Details CVE-2026-7263
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.0%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-7263
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cpe:2.3:a:php:php:8.4.0
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cpe:2.3:a:php:php:8.4.1
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cpe:2.3:a:php:php:8.4.10
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cpe:2.3:a:php:php:8.4.11
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cpe:2.3:a:php:php:8.4.12
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cpe:2.3:a:php:php:8.4.13
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cpe:2.3:a:php:php:8.4.14
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cpe:2.3:a:php:php:8.4.15
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cpe:2.3:a:php:php:8.4.16
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cpe:2.3:a:php:php:8.4.17
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cpe:2.3:a:php:php:8.4.18
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cpe:2.3:a:php:php:8.4.19
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cpe:2.3:a:php:php:8.4.2
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cpe:2.3:a:php:php:8.4.20
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cpe:2.3:a:php:php:8.4.3
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cpe:2.3:a:php:php:8.4.4
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cpe:2.3:a:php:php:8.4.5
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cpe:2.3:a:php:php:8.4.6
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cpe:2.3:a:php:php:8.4.7
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cpe:2.3:a:php:php:8.4.8
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cpe:2.3:a:php:php:8.4.9
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cpe:2.3:a:php:php:8.5.0
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cpe:2.3:a:php:php:8.5.1
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cpe:2.3:a:php:php:8.5.2
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cpe:2.3:a:php:php:8.5.3
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cpe:2.3:a:php:php:8.5.4
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cpe:2.3:a:php:php:8.5.5