medium5.9
CVE-2025-6491
In PHP versions:8.1.* before 8.1.33, 8.2.* before 8.2.29, 8.3.* before 8.3.23, 8.4.* before 8.4.10 when parsing XML data in SOAP extensions, overly large (>2Gb…
Impact
In PHP versions:8.1.* before 8.1.33, 8.2.* before 8.2.29, 8.3.* before 8.3.23, 8.4.* before 8.4.10 when parsing XML data in SOAP extensions, overly large (>2Gb) XML namespace prefix may lead to null pointer dereference. This may lead to crashes and affect the availability of the target server.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Php | Php | from 8.1.0 before 8.1.33 from 8.2.0 before 8.2.29 from 8.3.0 before 8.3.23 from 8.4.0 before 8.4.10 |