title: DoS vulnerability when parsing multipart request body
description: In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, excessive number of parts in HTTP form upload can cause high resource consumption and excessive number of log entries. This can cause denial of service on the affected server by exhausting CPU resources or disk space.
problem types: CWE-400 Uncontrolled Resource Consumption
affected:
{
defaultStatus: affected
product: PHP
repo: https://github.com/php/php-src
vendor: PHP Group
versions:
lessThan: 8.0.28, status: affected, version: 8.0.x, versionType: semver
lessThan: 8.1.16, status: affected, version: 8.1.x, versionType: semver
lessThan: 8.2.3, status: affected, version: 8.2.x, versionType: semver
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
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:H
version: 3.1
]
format: CVSS
scenarios: GENERAL