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TI-2011-04204 Aliases CVE-2011-4885GHSA-q9pr-6h9m-h8vf

PHP before 5.3.9 computes hash values for form parameters without restricting the ability…

Priority MEDIUM 64CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

PHP before 5.3.9 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.

Why it matters now

EPSS 0.8337 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA
Fix Fixed Red Hat: 3 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 · 45

CPEVersionsRoleVendor
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*up to 5.3.8VulnerablePHP
cpe:2.3:a:php:php:5.0.0:*:*:*:*:*:*:*5.0.0VulnerablePHP
cpe:2.3:a:php:php:5.0.0:beta1:*:*:*:*:*:*5.0.0 beta1VulnerablePHP
cpe:2.3:a:php:php:5.0.0:beta2:*:*:*:*:*:*5.0.0 beta2VulnerablePHP
cpe:2.3:a:php:php:5.0.0:beta3:*:*:*:*:*:*5.0.0 beta3VulnerablePHP
cpe:2.3:a:php:php:5.0.0:beta4:*:*:*:*:*:*5.0.0 beta4VulnerablePHP
cpe:2.3:a:php:php:5.0.0:rc1:*:*:*:*:*:*5.0.0 rc1VulnerablePHP
cpe:2.3:a:php:php:5.0.0:rc2:*:*:*:*:*:*5.0.0 rc2VulnerablePHP
cpe:2.3:a:php:php:5.0.0:rc3:*:*:*:*:*:*5.0.0 rc3VulnerablePHP
cpe:2.3:a:php:php:5.0.1:*:*:*:*:*:*:*5.0.1VulnerablePHP
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions up to 5.3.8 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.0.0:*:*:*:*:*:*:* Versions 5.0.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.0.0:beta1:*:*:*:*:*:* Versions 5.0.0 beta1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.0.0:beta2:*:*:*:*:*:* Versions 5.0.0 beta2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.0.0:beta3:*:*:*:*:*:* Versions 5.0.0 beta3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.0.0:beta4:*:*:*:*:*:* Versions 5.0.0 beta4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.0.0:rc1:*:*:*:*:*:* Versions 5.0.0 rc1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.0.0:rc2:*:*:*:*:*:* Versions 5.0.0 rc2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.0.0:rc3:*:*:*:*:*:* Versions 5.0.0 rc3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.0.1:*:*:*:*:*:*:* Versions 5.0.1 Vulnerable ·PHP
Show 35 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:php:php:5.0.2:*:*:*:*:*:*:*5.0.2VulnerablePHP
cpe:2.3:a:php:php:5.0.3:*:*:*:*:*:*:*5.0.3VulnerablePHP
cpe:2.3:a:php:php:5.0.4:*:*:*:*:*:*:*5.0.4VulnerablePHP
cpe:2.3:a:php:php:5.0.5:*:*:*:*:*:*:*5.0.5VulnerablePHP
cpe:2.3:a:php:php:5.1.1:*:*:*:*:*:*:*5.1.1VulnerablePHP
cpe:2.3:a:php:php:5.1.2:*:*:*:*:*:*:*5.1.2VulnerablePHP
cpe:2.3:a:php:php:5.1.3:*:*:*:*:*:*:*5.1.3VulnerablePHP
cpe:2.3:a:php:php:5.1.4:*:*:*:*:*:*:*5.1.4VulnerablePHP
cpe:2.3:a:php:php:5.1.5:*:*:*:*:*:*:*5.1.5VulnerablePHP
cpe:2.3:a:php:php:5.1.6:*:*:*:*:*:*:*5.1.6VulnerablePHP
cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:*5.2.0VulnerablePHP
cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:*5.2.1VulnerablePHP
cpe:2.3:a:php:php:5.2.2:*:*:*:*:*:*:*5.2.2VulnerablePHP
cpe:2.3:a:php:php:5.2.3:*:*:*:*:*:*:*5.2.3VulnerablePHP
cpe:2.3:a:php:php:5.2.4:*:*:*:*:*:*:*5.2.4VulnerablePHP
cpe:2.3:a:php:php:5.2.5:*:*:*:*:*:*:*5.2.5VulnerablePHP
cpe:2.3:a:php:php:5.2.6:*:*:*:*:*:*:*5.2.6VulnerablePHP
cpe:2.3:a:php:php:5.2.7:*:*:*:*:*:*:*5.2.7VulnerablePHP
cpe:2.3:a:php:php:5.2.8:*:*:*:*:*:*:*5.2.8VulnerablePHP
cpe:2.3:a:php:php:5.2.9:*:*:*:*:*:*:*5.2.9VulnerablePHP
cpe:2.3:a:php:php:5.2.10:*:*:*:*:*:*:*5.2.10VulnerablePHP
cpe:2.3:a:php:php:5.2.11:*:*:*:*:*:*:*5.2.11VulnerablePHP
cpe:2.3:a:php:php:5.2.12:*:*:*:*:*:*:*5.2.12VulnerablePHP
cpe:2.3:a:php:php:5.2.14:*:*:*:*:*:*:*5.2.14VulnerablePHP
cpe:2.3:a:php:php:5.2.15:*:*:*:*:*:*:*5.2.15VulnerablePHP
cpe:2.3:a:php:php:5.2.16:*:*:*:*:*:*:*5.2.16VulnerablePHP
cpe:2.3:a:php:php:5.2.17:*:*:*:*:*:*:*5.2.17VulnerablePHP
cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:*5.3.0VulnerablePHP
cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:*5.3.1VulnerablePHP
cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:*5.3.2VulnerablePHP
cpe:2.3:a:php:php:5.3.3:*:*:*:*:*:*:*5.3.3VulnerablePHP
cpe:2.3:a:php:php:5.3.4:*:*:*:*:*:*:*5.3.4VulnerablePHP
cpe:2.3:a:php:php:5.3.5:*:*:*:*:*:*:*5.3.5VulnerablePHP
cpe:2.3:a:php:php:5.3.6:*:*:*:*:*:*:*5.3.6VulnerablePHP
cpe:2.3:a:php:php:5.3.7:*:*:*:*:*:*:*5.3.7VulnerablePHP
  • cpe:2.3:a:php:php:5.0.2:*:*:*:*:*:*:* Versions 5.0.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.0.3:*:*:*:*:*:*:* Versions 5.0.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.0.4:*:*:*:*:*:*:* Versions 5.0.4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.0.5:*:*:*:*:*:*:* Versions 5.0.5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.1.1:*:*:*:*:*:*:* Versions 5.1.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.1.2:*:*:*:*:*:*:* Versions 5.1.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.1.3:*:*:*:*:*:*:* Versions 5.1.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.1.4:*:*:*:*:*:*:* Versions 5.1.4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.1.5:*:*:*:*:*:*:* Versions 5.1.5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.1.6:*:*:*:*:*:*:* Versions 5.1.6 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:* Versions 5.2.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:* Versions 5.2.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.2:*:*:*:*:*:*:* Versions 5.2.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.3:*:*:*:*:*:*:* Versions 5.2.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.4:*:*:*:*:*:*:* Versions 5.2.4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.5:*:*:*:*:*:*:* Versions 5.2.5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.6:*:*:*:*:*:*:* Versions 5.2.6 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.7:*:*:*:*:*:*:* Versions 5.2.7 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.8:*:*:*:*:*:*:* Versions 5.2.8 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.9:*:*:*:*:*:*:* Versions 5.2.9 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.10:*:*:*:*:*:*:* Versions 5.2.10 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.11:*:*:*:*:*:*:* Versions 5.2.11 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.12:*:*:*:*:*:*:* Versions 5.2.12 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.14:*:*:*:*:*:*:* Versions 5.2.14 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.15:*:*:*:*:*:*:* Versions 5.2.15 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.16:*:*:*:*:*:*:* Versions 5.2.16 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.2.17:*:*:*:*:*:*:* Versions 5.2.17 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:* Versions 5.3.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:* Versions 5.3.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:* Versions 5.3.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.3.3:*:*:*:*:*:*:* Versions 5.3.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.3.4:*:*:*:*:*:*:* Versions 5.3.4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.3.5:*:*:*:*:*:*:* Versions 5.3.5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.3.6:*:*:*:*:*:*:* Versions 5.3.6 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.3.7:*:*:*:*:*:*:* Versions 5.3.7 Vulnerable ·PHP

Remediation

Red Hat 3 advisories

  • RHSA-2012:0071 Released 2012-01-30 · Red Hat rating Moderate
    php security update
    • Red Hat Enterprise Linux AS version 4 php-4.3.9-3.35, php-4.3.9-3.35.i386, php-4.3.9-3.35.ia64 +47
    • Red Hat Enterprise Linux Desktop version 4 php-4.3.9-3.35, php-4.3.9-3.35.i386, php-devel-4.3.9-3.35 +25
    • Red Hat Enterprise Linux ES version 4 php-4.3.9-3.35, php-4.3.9-3.35.i386, php-4.3.9-3.35.ia64 +39
    • Red Hat Enterprise Linux WS version 4 php-4.3.9-3.35, php-4.3.9-3.35.i386, php-4.3.9-3.35.ia64 +39
  • RHSA-2012:0033 Released 2012-01-18 · Red Hat rating Moderate
    php security update
    • RHEL Desktop Workstation (v. 5 client) php-5.1.6-27.el5_7.4, php-5.1.6-27.el5_7.4.i386, php-bcmath-5.1.6-27.el5_7.4 +35
    • Red Hat Enterprise Linux (v. 5 server) php-5.1.6-27.el5_7.4, php-5.1.6-27.el5_7.4.i386, php-5.1.6-27.el5_7.4.ia64 +47
  • RHSA-2012:0019 Released 2012-01-11 · Red Hat rating Moderate
    php53 and php security update
    • RHEL Desktop Workstation (v. 5 client) php53-5.3.3-1.el5_7.5, php53-5.3.3-1.el5_7.5.i386, php53-bcmath-5.3.3-1.el5_7.5 +39
    • Red Hat Enterprise Linux (v. 5 server) php53-5.3.3-1.el5_7.5, php53-5.3.3-1.el5_7.5.i386, php53-5.3.3-1.el5_7.5.ia64 +47
    • Red Hat Enterprise Linux Desktop Optional (v. 6) php-5.3.3-3.el6_2.5, php-bcmath-5.3.3-3.el6_2.5, php-cli-5.3.3-3.el6_2.5 +23
    • Red Hat Enterprise Linux HPC Node (v. 6) php-5.3.3-3.el6_2.5, php-cli-5.3.3-3.el6_2.5, php-common-5.3.3-3.el6_2.5
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) php-5.3.3-3.el6_2.5, php-bcmath-5.3.3-3.el6_2.5, php-dba-5.3.3-3.el6_2.5 +21
    • Red Hat Enterprise Linux Server (v. 6) php-5.3.3-3.el6_2.5, php-cli-5.3.3-3.el6_2.5, php-common-5.3.3-3.el6_2.5 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) php-5.3.3-3.el6_2.5, php-bcmath-5.3.3-3.el6_2.5, php-dba-5.3.3-3.el6_2.5 +12
    • Red Hat Enterprise Linux Workstation (v. 6) php-5.3.3-3.el6_2.5, php-cli-5.3.3-3.el6_2.5, php-common-5.3.3-3.el6_2.5 +9
    • Red Hat Enterprise Linux Workstation Optional (v. 6) php-5.3.3-3.el6_2.5, php-bcmath-5.3.3-3.el6_2.5, php-dba-5.3.3-3.el6_2.5 +12

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
RHEL Desktop Workstation (v. 5 client)Fixed RHSA-2012:0019, RHSA-2012:0033
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2012:0019, RHSA-2012:0033
Red Hat Enterprise Linux AS version 4Fixed RHSA-2012:0071
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2012:0019
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2012:0071
Red Hat Enterprise Linux ES version 4Fixed RHSA-2012:0071
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2012:0019
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2012:0019
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2012:0019
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2012:0019
Red Hat Enterprise Linux WS version 4Fixed RHSA-2012:0071
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2012:0019
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2012:0019

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-4885
  2. 2026-10-03 Alias added: GHSA-q9pr-6h9m-h8vf

References

  • 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