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TI-2012-00766 Aliases CVE-2012-0830GHSA-4pjr-p785-567f

The php_register_variable_ex function in php_variables.c in PHP 5.3.9 allows remote…

Priority MEDIUM 56CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.29803 98th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:php:php:5.3.9:*:*:*:*:*:*:*5.3.9VulnerablePHP
  • cpe:2.3:a:php:php:5.3.9:*:*:*:*:*:*:* Versions 5.3.9 Vulnerable ·PHP

Remediation

Red Hat 2 advisories

  • RHSA-2012:0093 Released 2012-02-02 · Red Hat rating Critical
    php security update
    • RHEL Desktop Workstation (v. 5 client) php-5.1.6-27.el5_7.5, php-5.1.6-27.el5_7.5.i386, php-bcmath-5.1.6-27.el5_7.5 +35
    • Red Hat Enterprise Linux (v. 5 server) php-5.1.6-27.el5_7.5, php-5.1.6-27.el5_7.5.i386, php-5.1.6-27.el5_7.5.ia64 +47
    • Red Hat Enterprise Linux AS version 4 php-4.3.9-3.36, php-4.3.9-3.36.i386, php-4.3.9-3.36.ia64 +47
    • Red Hat Enterprise Linux Desktop Optional (v. 6) php-5.3.3-3.el6_2.6, php-bcmath-5.3.3-3.el6_2.6, php-cli-5.3.3-3.el6_2.6 +23
    • Red Hat Enterprise Linux Desktop version 4 php-4.3.9-3.36, php-4.3.9-3.36.i386, php-devel-4.3.9-3.36 +25
    • Red Hat Enterprise Linux ES version 4 php-4.3.9-3.36, php-4.3.9-3.36.i386, php-4.3.9-3.36.ia64 +39
    • Red Hat Enterprise Linux HPC Node (v. 6) php-5.3.3-3.el6_2.6, php-cli-5.3.3-3.el6_2.6, php-common-5.3.3-3.el6_2.6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) php-5.3.3-3.el6_2.6, php-bcmath-5.3.3-3.el6_2.6, php-dba-5.3.3-3.el6_2.6 +21
    • Red Hat Enterprise Linux Server (v. 6) php-5.3.3-3.el6_2.6, php-cli-5.3.3-3.el6_2.6, php-common-5.3.3-3.el6_2.6 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) php-5.3.3-3.el6_2.6, php-bcmath-5.3.3-3.el6_2.6, php-dba-5.3.3-3.el6_2.6 +12
    • Red Hat Enterprise Linux WS version 4 php-4.3.9-3.36, php-4.3.9-3.36.i386, php-4.3.9-3.36.ia64 +39
    • Red Hat Enterprise Linux Workstation (v. 6) php-5.3.3-3.el6_2.6, php-cli-5.3.3-3.el6_2.6, php-common-5.3.3-3.el6_2.6 +9
    • Red Hat Enterprise Linux Workstation Optional (v. 6) php-5.3.3-3.el6_2.6, php-bcmath-5.3.3-3.el6_2.6, php-dba-5.3.3-3.el6_2.6 +12
  • RHSA-2012:0092 Released 2012-02-02 · Red Hat rating Critical
    php53 security update
    • RHEL Desktop Workstation (v. 5 client) php53-5.3.3-1.el5_7.6, php53-5.3.3-1.el5_7.6.i386, php53-bcmath-5.3.3-1.el5_7.6 +39
    • Red Hat Enterprise Linux (v. 5 server) php53-5.3.3-1.el5_7.6, php53-5.3.3-1.el5_7.6.i386, php53-5.3.3-1.el5_7.6.ia64 +47

Vendor assessments

Red Hat

Red Hat rating: Critical. Red Hat's page for this CVE →

ProductStatusPlan or fix
RHEL Desktop Workstation (v. 5 client)Fixed RHSA-2012:0092, RHSA-2012:0093
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2012:0092, RHSA-2012:0093
Red Hat Enterprise Linux AS version 4Fixed RHSA-2012:0093
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2012:0093
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2012:0093
Red Hat Enterprise Linux ES version 4Fixed RHSA-2012:0093
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2012:0093
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2012:0093
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2012:0093
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2012:0093
Red Hat Enterprise Linux WS version 4Fixed RHSA-2012:0093
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2012:0093
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2012:0093

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-0830
  2. 2026-10-03 Alias added: GHSA-4pjr-p785-567f

References

Exploit 2

Advisory 7

Other 7

  • 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
See all 739 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences