CVE-2023-0662: DoS vulnerability when parsing multipart request body

Published Feb 14, 2023
·
Updated

Fixed bug GHSA-54hq-v5wp-fqgv (DOS vulnerability when parsing multipart request body). (CVE-2023-0662)

Other sources

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.

Launchpad

Affected Software

11 affected componentsFixes available
PHP PHP>=8.0.0<8.0.28
PHP PHP>=8.1.0<8.1.16
PHP PHP>=8.2.0<8.2.3
PHP PHP<8.0.28
8.0.28
debian/php7.4
7.4.33-1+deb11u57.4.33-1+deb11u8
debian/php8.2
8.2.26-1~deb12u18.2.28-1~deb12u1
F5 BIG-IP=17.5.0, >=17.0.0<=17.1.2
17.5.117.1.3
F5 BIG-IP>=16.1.0<=16.1.6
F5 BIG-IP>=15.1.0<=15.1.10
F5 BIG-IP>=14.1.0<=14.1.5
F5 BIG-IP>=13.1.0<=13.1.5

Event History

Feb 14, 2023
CVE Published
via PHP·12:00 AM
Feb 16, 2023
CVE Published
via MITRE·06:24 AM
Data Sourced
via MITRE·06:24 AM
DescriptionSeverityWeakness
Feb 17, 2023
Data Sourced
via Red Hat·08:11 AM
DescriptionSeverityAffected Software
May 1, 2023
Advisory Published
via F5·07:06 PM
Data Sourced
via F5·07:06 PM
DescriptionSeverityWeaknessAffected Software
Jan 12, 2024
Data Sourced
via Launchpad·06:03 PM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·06:35 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is CVE-2023-0662?

CVE-2023-0662 refers to a fixed bug in PHP that caused a DOS vulnerability when parsing multipart request body.

2

How does CVE-2023-0662 affect PHP?

CVE-2023-0662 affects PHP versions up to and excluding 8.0.28.

3

What is the severity of CVE-2023-0662?

The severity of CVE-2023-0662 is not mentioned in the provided information.

4

How do I fix CVE-2023-0662 in PHP?

To fix CVE-2023-0662, upgrade PHP to version 8.0.28 or higher.

5

Where can I find more information about CVE-2023-0662?

More information about CVE-2023-0662 can be found at the following reference link: https://www.php.net/ChangeLog-8.php#8.0.28

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203