Zend/zend_alloc.c in PHP 7.x before 7.0.10, when open_basedir is enabled, mishandles huge…
Priority MEDIUM 42CWE-190Published · Updated
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
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.
Summary
Zend/zend_alloc.c in PHP 7.x before 7.0.10, when open_basedir is enabled, mishandles huge realloc operations, which allows remote attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact via a long pathname.
Why it matters now
EPSS 0.04052 90th 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:* | 7.0.0 | Vulnerable | PHP |
| cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:* | 7.0.1 | Vulnerable | PHP |
| cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:* | 7.0.2 | Vulnerable | PHP |
| cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:* | 7.0.3 | Vulnerable | PHP |
| cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:* | 7.0.4 | Vulnerable | PHP |
| cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:* | 7.0.5 | Vulnerable | PHP |
| cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:* | 7.0.6 | Vulnerable | PHP |
| cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:* | 7.0.7 | Vulnerable | PHP |
| cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:* | 7.0.8 | Vulnerable | PHP |
| cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:* | 7.0.9 | Vulnerable | PHP |
- cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·PHP
- cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:* Versions 7.0.1 Vulnerable ·PHP
- cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:* Versions 7.0.2 Vulnerable ·PHP
- cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:* Versions 7.0.3 Vulnerable ·PHP
- cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:* Versions 7.0.4 Vulnerable ·PHP
- cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:* Versions 7.0.5 Vulnerable ·PHP
- cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:* Versions 7.0.6 Vulnerable ·PHP
- cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:* Versions 7.0.7 Vulnerable ·PHP
- cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:* Versions 7.0.8 Vulnerable ·PHP
- cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:* Versions 7.0.9 Vulnerable ·PHP
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 OpenShift Enterprise 2
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7133
- 2026-10-03 Alias added: GHSA-7c85-2q7j-x256
References
More Php vulnerabilities
- TI-2024-04260 Argument Injection in PHP-CGI KEVCVSS 3.1CRITICAL 9.8
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2012-01607 sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a 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-2015-00205 Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and… CVSS 2.0HIGH 10.0
Sources
- CVE-2016-7133 · CVE Program
- CVE-2016-7133 · NVD
- FIRST EPSS
- GHSA-7c85-2q7j-x256 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-7133 · Red Hat security data · CC BY 4.0
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