CVE-2025-6491 (GCVE-0-2025-6491)
Vulnerability from cvelistv5
Published
2025-07-13 22:10
Modified
2025-07-14 15:59
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Summary
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.
References
Impacted products
Vendor Product Version
PHP Group PHP Version: 8.1.*   ≤
Version: 8.2.*   ≤
Version: 8.3.*   ≤
Version: 8.4.*   ≤
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