Resource exhaustion in Php

CVE-2023-0662

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.015 (70.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-0662?
CVE-2023-0662 is a high-severity vulnerability in Php, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-02-16.
How severe is CVE-2023-0662?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-0662 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.