Freeing unallocated memory in php_pgsql_free_params()
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-824 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 using Postgres database extension, supplying invalid parameters to the parametrized query may lead to PHP attempting to free memory using uninitialized data as pointers. This could lead to RCE vulnerability or denial of service.
Why it matters now
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
Remediation
- Fix · CNA PHP (PHP Group) Fixed in 7.4.30, 8.0.20, 8.1.7
Red Hat 4 advisories
- RHSA-2022:8197 Released 2022-11-15 · Red Hat rating Moderatephp security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) php-8.0.20-3.el9, php-bcmath-8.0.20-3.el9, php-cli-8.0.20-3.el9 +22
- RHSA-2022:7624 Released 2022-11-08 · Red Hat rating Moderatephp:8.0 security, bug fix, and enhancement 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-2022:6158 Released 2022-08-24 · Red Hat rating Moderatephp: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
Show 1 more Red Hat advisories
- RHSA-2022:5491 Released 2022-07-04 · Red Hat rating Importantrh-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
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
PHP — FEDORA-2022-f3fc52428e
2 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM
Other records, highest priority first
- TI-2022-13550 mysqlnd/pdo password buffer overflowPriority HIGH 72
- Advisory ·
PHP — FEDORA-2022-0a96e5b9b1
2 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM
Other records, highest priority first
- TI-2022-13550 mysqlnd/pdo password buffer overflowPriority HIGH 72
Show 1 more group
- Advisory ·
PHP — DSA-5179
2 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM
Other records, highest priority first
- TI-2022-13550 mysqlnd/pdo password buffer overflowPriority HIGH 72
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2022:6158, RHSA-2022:7624 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2022:8197 |
| 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-2022-31625
- 2026-10-03 Alias added: GHSA-wg63-8xjw-5wvx
- 2026-11-04 EPSS moved to the 90th–95th percentile
References
More PHP Group vulnerabilities
- 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
Sources
- CVE-2022-31625 · CVE Program
- CVE-2022-31625 · NVD
- FIRST EPSS
- GHSA-wg63-8xjw-5wvx · GitHub Advisory Database · CC BY 4.0
- CVE-2022-31625 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences