Servers and applications
CVE-2012-0830
The php_register_variable_ex function in php_variables.c in PHP 5.3.9 allows remote attackers to execute arbitrary code via a request containing a large number of variables, related to improper handling of array variables. NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-4885.
- Severity
- High 7.5
- Published
- 6 Feb 2012
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 14 Oct 2026
- Exploit chance
- 30% in the next 30 daysHigher than 98% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- CWE-399
- Attack
- Over the network · No login needed
- Attacker can
- Read some data · Change some data · Slow it down
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
PHPServers and applications · cpe:a:php:php |
|