NULL Pointer Dereference Affecting php:8.3/php-dba package, versions <0:8.3.26-1.module+el9.7.0+23549+c13c2ce3


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.94% (57th percentile)

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  • Snyk IDSNYK-RHEL9-PHP-10668908
  • published9 Jul 2025
  • disclosed5 Jul 2025

Introduced: 5 Jul 2025

CVE-2025-6491  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:9 php:8.3/php-dba to version 0:8.3.26-1.module+el9.7.0+23549+c13c2ce3 or higher.
This issue was patched in RHSA-2025:23309.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php:8.3/php-dba package and not the php:8.3/php-dba package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1