CVE-2025-6491
- Source
- https://cve.org/CVERecord?id=CVE-2025-6491
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-6491.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-6491
- Aliases
- Downstream
- Related
- Published
- 2025-07-13T22:15:23.353Z
- Modified
- 2026-02-06T04:59:51.663427Z
- Severity
-
- 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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