CVE-2023-0662: PHP

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

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.

Affected products

• PHP PHP: from 8.0.0, before 8.0.28 (fixed in 8.0.28); from 8.1.0, before 8.1.16 (fixed in 8.1.16); from 8.2.0, before 8.2.3 (fixed in 8.2.3)

Published 2023-02-16. Last modified 2026-06-17.