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TI-2011-01001 Aliases CVE-2011-1148GHSA-w6xh-r634-49c8

Use-after-free vulnerability in the substr_replace function in PHP 5.3.6 and earlier…

Priority MEDIUM 40CWE-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

Use-after-free vulnerability in the substr_replace function in PHP 5.3.6 and earlier allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact by using the same variable for multiple arguments.

Why it matters now

EPSS 0.04736 91st percentileScored 2026-11-07
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 · 72

CPEVersionsRoleVendor
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*up to 5.3.6VulnerablePHP
cpe:2.3:a:php:php:1.0:*:*:*:*:*:*:*1.0VulnerablePHP
cpe:2.3:a:php:php:2.0:*:*:*:*:*:*:*2.0VulnerablePHP
cpe:2.3:a:php:php:2.0b10:*:*:*:*:*:*:*2.0b10VulnerablePHP
cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*3.0VulnerablePHP
cpe:2.3:a:php:php:3.0.1:*:*:*:*:*:*:*3.0.1VulnerablePHP
cpe:2.3:a:php:php:3.0.2:*:*:*:*:*:*:*3.0.2VulnerablePHP
cpe:2.3:a:php:php:3.0.3:*:*:*:*:*:*:*3.0.3VulnerablePHP
cpe:2.3:a:php:php:3.0.4:*:*:*:*:*:*:*3.0.4VulnerablePHP
cpe:2.3:a:php:php:3.0.5:*:*:*:*:*:*:*3.0.5VulnerablePHP
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions up to 5.3.6 Vulnerable ·PHP
  • cpe:2.3:a:php:php:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:2.0b10:*:*:*:*:*:*:* Versions 2.0b10 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.3:*:*:*:*:*:*:* Versions 3.0.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.4:*:*:*:*:*:*:* Versions 3.0.4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.5:*:*:*:*:*:*:* Versions 3.0.5 Vulnerable ·PHP
Show 62 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:php:php:3.0.6:*:*:*:*:*:*:*3.0.6VulnerablePHP
cpe:2.3:a:php:php:3.0.7:*:*:*:*:*:*:*3.0.7VulnerablePHP
cpe:2.3:a:php:php:3.0.8:*:*:*:*:*:*:*3.0.8VulnerablePHP
cpe:2.3:a:php:php:3.0.9:*:*:*:*:*:*:*3.0.9VulnerablePHP
cpe:2.3:a:php:php:3.0.10:*:*:*:*:*:*:*3.0.10VulnerablePHP
cpe:2.3:a:php:php:3.0.11:*:*:*:*:*:*:*3.0.11VulnerablePHP
cpe:2.3:a:php:php:3.0.12:*:*:*:*:*:*:*3.0.12VulnerablePHP
cpe:2.3:a:php:php:3.0.13:*:*:*:*:*:*:*3.0.13VulnerablePHP
cpe:2.3:a:php:php:3.0.14:*:*:*:*:*:*:*3.0.14VulnerablePHP
cpe:2.3:a:php:php:3.0.15:*:*:*:*:*:*:*3.0.15VulnerablePHP
cpe:2.3:a:php:php:3.0.16:*:*:*:*:*:*:*3.0.16VulnerablePHP
cpe:2.3:a:php:php:3.0.17:*:*:*:*:*:*:*3.0.17VulnerablePHP
cpe:2.3:a:php:php:3.0.18:*:*:*:*:*:*:*3.0.18VulnerablePHP
cpe:2.3:a:php:php:4.0:*:*:*:*:*:*:*4.0VulnerablePHP
cpe:2.3:a:php:php:4.0:beta_4_patch1:*:*:*:*:*:*4.0 beta_4_patch1VulnerablePHP
cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:*4.0 beta1VulnerablePHP
cpe:2.3:a:php:php:4.0:beta2:*:*:*:*:*:*4.0 beta2VulnerablePHP
cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:*4.0 beta3VulnerablePHP
cpe:2.3:a:php:php:4.0:beta4:*:*:*:*:*:*4.0 beta4VulnerablePHP
cpe:2.3:a:php:php:4.0.0:*:*:*:*:*:*:*4.0.0VulnerablePHP
cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:*4.0.1VulnerablePHP
cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:*4.0.2VulnerablePHP
cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:*4.0.3VulnerablePHP
cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:*4.0.4VulnerablePHP
cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:*4.0.5VulnerablePHP
cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:*4.0.6VulnerablePHP
cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:*4.0.7VulnerablePHP
cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:*4.1.0VulnerablePHP
cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:*4.1.1VulnerablePHP
cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:*4.1.2VulnerablePHP
cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:*4.2.0VulnerablePHP
cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:*4.2.1VulnerablePHP
cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:*4.2.2VulnerablePHP
cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:*4.2.3VulnerablePHP
cpe:2.3:a:php:php:4.3.0:*:*:*:*:*:*:*4.3.0VulnerablePHP
cpe:2.3:a:php:php:4.3.1:*:*:*:*:*:*:*4.3.1VulnerablePHP
cpe:2.3:a:php:php:4.3.2:*:*:*:*:*:*:*4.3.2VulnerablePHP
cpe:2.3:a:php:php:4.3.3:*:*:*:*:*:*:*4.3.3VulnerablePHP
cpe:2.3:a:php:php:4.3.4:*:*:*:*:*:*:*4.3.4VulnerablePHP
cpe:2.3:a:php:php:4.3.5:*:*:*:*:*:*:*4.3.5VulnerablePHP
cpe:2.3:a:php:php:4.3.6:*:*:*:*:*:*:*4.3.6VulnerablePHP
cpe:2.3:a:php:php:4.3.7:*:*:*:*:*:*:*4.3.7VulnerablePHP
cpe:2.3:a:php:php:4.3.8:*:*:*:*:*:*:*4.3.8VulnerablePHP
cpe:2.3:a:php:php:4.3.9:*:*:*:*:*:*:*4.3.9VulnerablePHP
cpe:2.3:a:php:php:4.3.10:*:*:*:*:*:*:*4.3.10VulnerablePHP
cpe:2.3:a:php:php:4.3.11:*:*:*:*:*:*:*4.3.11VulnerablePHP
cpe:2.3:a:php:php:4.4.0:*:*:*:*:*:*:*4.4.0VulnerablePHP
cpe:2.3:a:php:php:4.4.1:*:*:*:*:*:*:*4.4.1VulnerablePHP
cpe:2.3:a:php:php:4.4.2:*:*:*:*:*:*:*4.4.2VulnerablePHP
cpe:2.3:a:php:php:4.4.3:*:*:*:*:*:*:*4.4.3VulnerablePHP
cpe:2.3:a:php:php:4.4.4:*:*:*:*:*:*:*4.4.4VulnerablePHP
cpe:2.3:a:php:php:4.4.5:*:*:*:*:*:*:*4.4.5VulnerablePHP
cpe:2.3:a:php:php:4.4.6:*:*:*:*:*:*:*4.4.6VulnerablePHP
cpe:2.3:a:php:php:4.4.7:*:*:*:*:*:*:*4.4.7VulnerablePHP
cpe:2.3:a:php:php:4.4.8:*:*:*:*:*:*:*4.4.8VulnerablePHP
cpe:2.3:a:php:php:4.4.9:*:*:*:*:*:*:*4.4.9VulnerablePHP
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:3.0.6:*:*:*:*:*:*:* Versions 3.0.6 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.7:*:*:*:*:*:*:* Versions 3.0.7 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.8:*:*:*:*:*:*:* Versions 3.0.8 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.9:*:*:*:*:*:*:* Versions 3.0.9 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.10:*:*:*:*:*:*:* Versions 3.0.10 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.11:*:*:*:*:*:*:* Versions 3.0.11 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.12:*:*:*:*:*:*:* Versions 3.0.12 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.13:*:*:*:*:*:*:* Versions 3.0.13 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.14:*:*:*:*:*:*:* Versions 3.0.14 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.15:*:*:*:*:*:*:* Versions 3.0.15 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.16:*:*:*:*:*:*:* Versions 3.0.16 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.17:*:*:*:*:*:*:* Versions 3.0.17 Vulnerable ·PHP
  • cpe:2.3:a:php:php:3.0.18:*:*:*:*:*:*:* Versions 3.0.18 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0:beta_4_patch1:*:*:*:*:*:* Versions 4.0 beta_4_patch1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:* Versions 4.0 beta1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0:beta2:*:*:*:*:*:* Versions 4.0 beta2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:* Versions 4.0 beta3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0:beta4:*:*:*:*:*:* Versions 4.0 beta4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0.0:*:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:* Versions 4.0.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:* Versions 4.0.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:* Versions 4.0.4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:* Versions 4.0.5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:* Versions 4.0.6 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:* Versions 4.0.7 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:* Versions 4.1.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:* Versions 4.1.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:* Versions 4.2.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:* Versions 4.2.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.3.0:*:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.3.1:*:*:*:*:*:*:* Versions 4.3.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.3.2:*:*:*:*:*:*:* Versions 4.3.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.3.3:*:*:*:*:*:*:* Versions 4.3.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.3.4:*:*:*:*:*:*:* Versions 4.3.4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.3.5:*:*:*:*:*:*:* Versions 4.3.5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.3.6:*:*:*:*:*:*:* Versions 4.3.6 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.3.7:*:*:*:*:*:*:* Versions 4.3.7 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.3.8:*:*:*:*:*:*:* Versions 4.3.8 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.3.9:*:*:*:*:*:*:* Versions 4.3.9 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.3.10:*:*:*:*:*:*:* Versions 4.3.10 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.3.11:*:*:*:*:*:*:* Versions 4.3.11 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.4.0:*:*:*:*:*:*:* Versions 4.4.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.4.1:*:*:*:*:*:*:* Versions 4.4.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.4.2:*:*:*:*:*:*:* Versions 4.4.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.4.3:*:*:*:*:*:*:* Versions 4.4.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.4.4:*:*:*:*:*:*:* Versions 4.4.4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.4.5:*:*:*:*:*:*:* Versions 4.4.5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.4.6:*:*:*:*:*:*:* Versions 4.4.6 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.4.7:*:*:*:*:*:*:* Versions 4.4.7 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.4.8:*:*:*:*:*:*:* Versions 4.4.8 Vulnerable ·PHP
  • cpe:2.3:a:php:php:4.4.9:*:*:*:*:*:*:* Versions 4.4.9 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

Remediation

Red Hat 2 advisories

  • 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-2011:1423 Released 2011-11-02 · Red Hat rating Moderate
    php53 and php security update
    • RHEL Desktop Workstation (v. 5 client) php53-5.3.3-1.el5_7.3, php53-5.3.3-1.el5_7.3.i386, php53-bcmath-5.3.3-1.el5_7.3 +39
    • Red Hat Enterprise Linux (v. 5 server) php53-5.3.3-1.el5_7.3, php53-5.3.3-1.el5_7.3.i386, php53-5.3.3-1.el5_7.3.ia64 +47
    • Red Hat Enterprise Linux Server (v. 6) php-5.3.3-3.el6_1.3, php-cli-5.3.3-3.el6_1.3, php-common-5.3.3-3.el6_1.3 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) php-5.3.3-3.el6_1.3, php-bcmath-5.3.3-3.el6_1.3, php-dba-5.3.3-3.el6_1.3 +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-2011:1423, RHSA-2012:0033
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2011:1423, RHSA-2012:0033
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:1423
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2011:1423
Not affected: 1 product
  • Red Hat Enterprise Linux 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-1148
  2. 2026-10-03 Alias added: GHSA-w6xh-r634-49c8

References

Advisory 4

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