title: Null Dereference in SoapClient
description: In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash.
problem types: CWE-476 NULL Pointer Dereference
affected:
{
product: PHP
vendor: PHP Group
versions:
lessThan: 7.3.27, status: affected, version: 7.3.x, versionType: custom
lessThan: 7.4.15, status: affected, version: 7.4.x, versionType: custom
lessThan: 8.0.2, status: affected, version: 8.0.X, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 5.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
version: 3.1
]