CVE-2025-6491
published 2025-07-13CVE-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…
medium5.9CVSS 3.1
AVNACHPRNUINSUCNINAH
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
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | php7.4 | < php7.4 7.4.33-1+deb11u9 (bullseye) | php7.4 7.4.33-1+deb11u9 (bullseye) |
| debian | php8.2 | < php7.4 7.4.33-1+deb11u9 (bullseye) | php7.4 7.4.33-1+deb11u9 (bullseye) |
| debian | php8.4 | < php7.4 7.4.33-1+deb11u9 (bullseye) | php7.4 7.4.33-1+deb11u9 (bullseye) |
| msrc | azl3_php_8.3.23-1_on_azure_linux_3.0 | — | — |
| msrc | cbl2_php_8.1.32-1_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_php_8.1.33-1_on_cbl_mariner_2.0 | — | — |
| php | php | >= 8.1.0 < 8.1.33 | 8.1.33 |
| php | php | >= 8.2.0 < 8.2.29 | 8.2.29 |
| php | php | >= 8.3.0 < 8.3.23 | 8.3.23 |
| php | php | >= 8.4.0 < 8.4.10 | 8.4.10 |
| php_group | php | >= 8.1.* < 8.1.33 | 8.1.33 |
| php_group | php | >= 8.2.* < 8.2.29 | 8.2.29 |
| php_group | php | >= 8.3.* < 8.3.23 | 8.3.23 |
| php_group | php | >= 8.4.* < 8.4.10 | 8.4.10 |
CVSS provenance
nvdv3.15.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
osv5.9MEDIUM