Read the docs
TI-2023-00627 Aliases CVE-2023-0662

DoS vulnerability when parsing multipart request body

Priority MEDIUM 42CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-400.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01469 73rd percentileScored 2026-11-07
Fix Fixed PHP (PHP Group): 8.0.28, 8.1.16, 8.2.3Red Hat: 3 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PHP GroupPHP8.0.x to before 8.0.28; 8.1.x to before 8.1.16; 8.2.x to before 8.2.38.0.28, 8.1.16, 8.2.3Patch availableCNA
  • PHP VendorPHP Group Affected 8.0.x to before 8.0.28; 8.1.x to before 8.1.16; 8.2.x to before 8.2.3 Fixed in 8.0.28, 8.1.16, 8.2.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*8.0.0 to before 8.0.28; 8.1.0 to before 8.1.16; 8.2.0 to before 8.2.3VulnerablePHP
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions 8.0.0 to before 8.0.28; 8.1.0 to before 8.1.16; 8.2.0 to before 8.2.3 Vulnerable ·PHP

Remediation

  • Fix · CNA PHP (PHP Group) Fixed in 8.0.28, 8.1.16, 8.2.3

Red Hat 3 advisories

  • RHSA-2024:0387 Released 2024-01-24 · Red Hat rating Moderate
    php:8.1 security update
    • Red Hat Enterprise Linux AppStream (v. 9) apcu-panel-5.1.21-1.module+el9.1.0.z+15477+cb86791d.noarch::php:8.1, php-8.1.27-1.module+el9.3.0.z+21063+f4ccb976.aarch64::php:8.1, php-8.1.27-1.module+el9.3.0.z+21063+f4ccb976.ppc64le::php:8.1 +47
  • RHSA-2023:5927 Released 2023-10-19 · Red Hat rating Important
    php:8.0 security update
    • Red Hat Enterprise Linux AppStream (v. 8) apcu-panel-5.1.20-1.module+el8.6.0+13671+84712317.noarch::php:8.0, libzip-1.7.3-1.module+el8.6.0+13671+84712317.aarch64::php:8.0, libzip-1.7.3-1.module+el8.6.0+13671+84712317.ppc64le::php:8.0 +47
  • RHSA-2023:5926 Released 2023-10-19 · Red Hat rating Important
    php security update
    • Red Hat Enterprise Linux AppStream (v. 9) php-8.0.30-1.el9_2, php-bcmath-8.0.30-1.el9_2, php-cli-8.0.30-1.el9_2 +22

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    PHP 8.0.28, 8.1.16, 8.2.3

    3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2023-00539 Array overrun in common path resolve codePriority MEDIUM 40
    • TI-2023-00538 password_verify() always returns true for some invalid hashesPriority LOW 39
    Show all 3 records →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:5927
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:5926, RHSA-2024:0387
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0662

References

Advisory 1

Other 1

  • TI-2024-04260 Argument Injection in PHP-CGI KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-78794 PHP remote code execution via stale global state KEVCVSS 4.0CRITICAL 9.2
  • TI-2026-78793 Out-of-memory handling flaw in PHP allows remote code execution KEVCVSS 4.0CRITICAL 9.2
  • TI-2024-01743 Command injection via array-ish $command parameter of proc_open() CVSS 3.1CRITICAL 9.4
  • TI-2022-13555 PDO::quote() may return unquoted string CVSS 3.1CRITICAL 9.1
  • TI-2024-10408 Reference counting in php_request_shutdown causes Use-After-Free CVSS 4.0CRITICAL 9.2
See all 107 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences