CVEvulnerability

CVE-2025-6491

5.9 MEDIUM Published 2025-07-13 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2025-07-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-476

Description

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 configurations

• php php (>= 8.1.0 < 8.1.33) • php php (>= 8.2.0 < 8.2.29) • php php (>= 8.3.0 < 8.3.23) • php php (>= 8.4.0 < 8.4.10)

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References