CVE-2026-7263
HIGH7.5EPSS 0.06%DoS attack via DOMNode::C14N()
Published: 5/10/2026Modified: 5/15/2026
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.
Affected packages (4)
- Bitnami/libphp>= 8.4.0, < 8.4.21, >= 8.5.0, < 8.5.6
- Bitnami/php>= 8.4.0, < 8.4.21, >= 8.5.0, < 8.5.6
- Bitnami/php-min>= 8.4.0, < 8.4.21, >= 8.5.0, < 8.5.6
- Debian/php8.4from 0, < 8.4.21-1~deb13u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:M/U:Amber |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |