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Vulnerability record · CVE-2012-0830 · published 6 February 2012

CVE-2012-0830: Php vulnerability

Php · Php

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.

7.5 CVSS 2.0 High EPSS 30% · top 1.9% CWE-399 · CWE-399
7.5CVSS 2.0 base score
30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
46References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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
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

Track CVE-2012-0830 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2012-0830), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.