high7.5
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 …
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Php | Php | from 8.4.0 before 8.4.21 from 8.5.0 before 8.5.6 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/php/php-src/security/advisories/GHSA-4jhr-8w89-j733
- https://access.redhat.com/errata/RHSA-2026:22649
- https://access.redhat.com/security/cve/CVE-2026-7263
- https://bugzilla.redhat.com/show_bug.cgi?id=2468572
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7263.json