CVE-2012-0830
HIGH · CVSS 7.5EPSS 29.8%EU EUVD
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.
Key facts
- CVSS score
- 7.5 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-399
- EPSS score
- 29.8% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-0856)
- Published
- February 6, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-0856 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- php / php
References
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html
- http://marc.info/?l=bugtraq&m=134012830914727&w=2
- http://openwall.com/lists/oss-security/2012/02/02/12
- http://openwall.com/lists/oss-security/2012/02/03/1
- http://rhn.redhat.com/errata/RHSA-2012-0092.html
- http://secunia.com/advisories/47801
- http://secunia.com/advisories/47806(Vendor Advisory)
- http://secunia.com/advisories/47813
- http://secunia.com/advisories/48668
- http://securitytracker.com/id?1026631
- http://support.apple.com/kb/HT5281
- http://svn.php.net/viewvc?view=revision&revision=323007
- http://thexploit.com/sec/critical-php-remote-vulnerability-introduced-in-fix-for-php-hashtable-collision-dos/(Exploit)
- http://www.debian.org/security/2012/dsa-2403
- http://www.h-online.com/security/news/item/Critical-PHP-vulnerability-being-fixed-1427316.html
- http://www.osvdb.org/78819
- http://www.php.net/ChangeLog-5.php#5.3.10
- http://www.securityfocus.com/bid/51830(Exploit)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72911
- https://gist.github.com/1725489(Exploit)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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