OOB Read in urldecode()
Priority MEDIUM 40CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support (uncommon), urldecode() function can be made to access locations past the allocated memory, due to erroneously using signed numbers as array indexes.
Why it matters now
EPSS 0.0443 91st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 | 7.2.x below 7.2.30; 7.3.x below 7.3.17 and 7.4.x below 7.4.5 | — | No fix listed | CNA |
- PHP VendorPHP Group Affected 7.2.x below 7.2.30; 7.3.x below 7.3.17 and 7.4.x below 7.4.5 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | 7.2.0 to before 7.2.30; 7.3.0 to before 7.3.17; 7.4.0 to before 7.4.5 | Vulnerable | PHP |
| cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:* | before 5.19.0 | Vulnerable | Tenable |
| cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* | 8.0.0.0 – 8.4.0.5 | Vulnerable | Oracle |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions 7.2.0 to before 7.2.30; 7.3.0 to before 7.3.17; 7.4.0 to before 7.4.5 Vulnerable ·PHP
- cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:* Versions before 5.19.0 Vulnerable ·Tenable
- cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* Versions 8.0.0.0 – 8.4.0.5 Vulnerable ·Oracle
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7067
- 2026-10-03 Alias added: GHSA-8hqm-3r2c-qg9c
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-2020-7067 · CVE Program
- CVE-2020-7067 · NVD
- FIRST EPSS
- GHSA-8hqm-3r2c-qg9c · GitHub Advisory Database · CC BY 4.0
- CVE-2020-7067 · 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