TI-2022-13550 Aliases CVE-2022-31626 GHSA-jfc6-9gw3-fhfg

mysqlnd/pdo password buffer overflow

HIGH 72CWE-120Published 2022-06-16 · Updated 2024-09-17

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-120 and the CVSS impact.

Summary

In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can lead to a remote code execution vulnerability.

Why it matters now

EPSS 0.58123 99th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed PHP (PHP Group): 7.4.30, 8.0.20, 8.1.7Red Hat: 5 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
PHP Group	PHP	7.4.X to before 7.4.30; 8.0.X to before 8.0.20; 8.1.X to before 8.1.7	7.4.30, 8.0.20, 8.1.7	Patch available	CNA

PHP VendorPHP Group Affected 7.4.X to before 7.4.30; 8.0.X to before 8.0.20; 8.1.X to before 8.1.7 Fixed in 7.4.30, 8.0.20, 8.1.7 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:php:php::::::::	7.4.0 to before 7.4.30; 8.0.0 to before 8.0.20; 8.1.0 to before 8.1.7	Vulnerable	PHP
cpe:2.3:o:debian:debian_linux:10.0:::::::*	10.0	Vulnerable	Debian
cpe:2.3:o:debian:debian_linux:11.0:::::::*	11.0	Vulnerable	Debian

cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions 7.4.0 to before 7.4.30; 8.0.0 to before 8.0.20; 8.1.0 to before 8.1.7 Vulnerable ·PHP
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

Fix · CNA PHP (PHP Group) Fixed in 7.4.30, 8.0.20, 8.1.7

Red Hat 5 advisories

RHSA-2022:5904 Released 2022-08-04 · Red Hat rating Important
php security update
- Red Hat Enterprise Linux AppStream (v. 9) php-8.0.13-2.el9_0, php-bcmath-8.0.13-2.el9_0, php-cli-8.0.13-2.el9_0 +22
RHSA-2022:5491 Released 2022-07-04 · Red Hat rating Important
rh-php73-php security and bug fix update
- Red Hat Software Collections for RHEL Workstation(v. 7) rh-php73-php-7.3.33-1.el7, rh-php73-php-bcmath-7.3.33-1.el7, rh-php73-php-cli-7.3.33-1.el7 +26
- Red Hat Software Collections for RHEL(v. 7) rh-php73-php-7.3.33-1.el7, rh-php73-php-bcmath-7.3.33-1.el7, rh-php73-php-cli-7.3.33-1.el7 +26
RHSA-2022:5468 Released 2022-06-30 · 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

Show 2 more Red Hat advisories

RHSA-2022:5467 Released 2022-06-30 · Red Hat rating Important
php:7.4 security update
- Red Hat Enterprise Linux AppStream (v. 8) apcu-panel-5.1.18-1.module+el8.3.0+6678+b09f589e.noarch::php:7.4, libzip-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64::php:7.4, libzip-1.6.1-1.module+el8.3.0+6678+b09f589e.ppc64le::php:7.4 +47
RHSA-2022:5471 Released 2022-06-30 · Red Hat rating Important
php:7.4 security update
- Red Hat Enterprise Linux AppStream EUS (v.8.4) apcu-panel-5.1.18-1.module+el8.3.0+6678+b09f589e.noarch::php:7.4, libzip-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64::php:7.4, libzip-1.6.1-1.module+el8.3.0+6678+b09f589e.ppc64le::php:7.4 +47

Fixed in the same release

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

Advisory · 2022-06-16
PHP — FEDORA-2022-f3fc52428e
2 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM
Other records, highest priority first
- TI-2022-13549 Freeing unallocated memory in php_pgsql_free_params()Priority MEDIUM 42
Show all 2 records → Advisory →
Advisory · 2022-06-16
PHP — FEDORA-2022-0a96e5b9b1
2 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM
Other records, highest priority first
- TI-2022-13549 Freeing unallocated memory in php_pgsql_free_params()Priority MEDIUM 42
Show all 2 records → Advisory →

Show 1 more group

Advisory · 2022-06-16
PHP — DSA-5179
2 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM
Other records, highest priority first
- TI-2022-13549 Freeing unallocated memory in php_pgsql_free_params()Priority MEDIUM 42
Show all 2 records → Advisory →

Vendor assessments

Red Hat

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

Product	Status	Plan or fix
Red Hat Enterprise Linux AppStream (v. 8)	Fixed	RHSA-2022:5467, RHSA-2022:5468
Red Hat Enterprise Linux AppStream (v. 9)	Fixed	RHSA-2022:5904
Red Hat Enterprise Linux AppStream EUS (v.8.4)	Fixed	RHSA-2022:5471
Red Hat Software Collections for RHEL Workstation(v. 7)	Fixed	RHSA-2022:5491
Red Hat Software Collections for RHEL(v. 7)	Fixed	RHSA-2022:5491

Not affected: 2 products

Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7

Timeline

2026-10-02 Threatist record created from CVE-2022-31626
2026-10-03 Alias added: GHSA-jfc6-9gw3-fhfg

References

Exploit 1

https://bugs.php.net/bug.php?id=81719

Advisory 6

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