MEDIUM 5.9 Microsoft
CVE-2025-6491
NULL Pointer Dereference in PHP SOAP Extension via Large XML Namespace Prefix
Microsoft Security Update 2025-Jul: NULL Pointer Dereference in PHP SOAP Extension via Large XML Namespace Prefix
Affected Products
- cbl2 php 8.1.33-1 on CBL Mariner 2.0
- azl3 php 8.3.23-1 on Azure Linux 3.0
- cbl2 php 8.1.32-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-6491
- https://nvd.nist.gov/vuln/detail/CVE-2025-6491
This medium severity vulnerability with a CVSS score of 5.9 was published on 2025-07-08 via Microsoft. Affected: cbl2 php 8.1.33-1 on CBL Mariner 2.0, azl3 php 8.3.23-1 on Azure Linux 3.0, cbl2 php 8.1.32-1 on CBL Mariner 2.0.
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