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TI-2015-05731 Aliases CVE-2015-6832GHSA-7c6h-7vfv-vrfm

Use-after-free vulnerability in the SPL unserialize implementation in ext/spl/spl_array.c…

Priority MEDIUM 40Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Partial Red Hat: 8 fixed, 5 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

Use-after-free vulnerability in the SPL unserialize implementation in ext/spl/spl_array.c in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allows remote attackers to execute arbitrary code via crafted serialized data that triggers misuse of an array field.

Why it matters now

EPSS 0.05014 92nd percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 8 fixed, 5 without a fix

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 · 58

CPEVersionsRoleVendor
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*up to 5.4.43VulnerablePHP
cpe:2.3:a:php:php:5.5.0:*:*:*:*:*:*:*5.5.0VulnerablePHP
cpe:2.3:a:php:php:5.5.0:alpha1:*:*:*:*:*:*5.5.0 alpha1VulnerablePHP
cpe:2.3:a:php:php:5.5.0:alpha2:*:*:*:*:*:*5.5.0 alpha2VulnerablePHP
cpe:2.3:a:php:php:5.5.0:alpha3:*:*:*:*:*:*5.5.0 alpha3VulnerablePHP
cpe:2.3:a:php:php:5.5.0:alpha4:*:*:*:*:*:*5.5.0 alpha4VulnerablePHP
cpe:2.3:a:php:php:5.5.0:alpha5:*:*:*:*:*:*5.5.0 alpha5VulnerablePHP
cpe:2.3:a:php:php:5.5.0:alpha6:*:*:*:*:*:*5.5.0 alpha6VulnerablePHP
cpe:2.3:a:php:php:5.5.0:beta1:*:*:*:*:*:*5.5.0 beta1VulnerablePHP
cpe:2.3:a:php:php:5.5.0:beta2:*:*:*:*:*:*5.5.0 beta2VulnerablePHP
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions up to 5.4.43 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.0:*:*:*:*:*:*:* Versions 5.5.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.0:alpha1:*:*:*:*:*:* Versions 5.5.0 alpha1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.0:alpha2:*:*:*:*:*:* Versions 5.5.0 alpha2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.0:alpha3:*:*:*:*:*:* Versions 5.5.0 alpha3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.0:alpha4:*:*:*:*:*:* Versions 5.5.0 alpha4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.0:alpha5:*:*:*:*:*:* Versions 5.5.0 alpha5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.0:alpha6:*:*:*:*:*:* Versions 5.5.0 alpha6 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.0:beta1:*:*:*:*:*:* Versions 5.5.0 beta1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.0:beta2:*:*:*:*:*:* Versions 5.5.0 beta2 Vulnerable ·PHP
Show 48 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:php:php:5.5.0:beta3:*:*:*:*:*:*5.5.0 beta3VulnerablePHP
cpe:2.3:a:php:php:5.5.0:beta4:*:*:*:*:*:*5.5.0 beta4VulnerablePHP
cpe:2.3:a:php:php:5.5.0:rc1:*:*:*:*:*:*5.5.0 rc1VulnerablePHP
cpe:2.3:a:php:php:5.5.0:rc2:*:*:*:*:*:*5.5.0 rc2VulnerablePHP
cpe:2.3:a:php:php:5.5.1:*:*:*:*:*:*:*5.5.1VulnerablePHP
cpe:2.3:a:php:php:5.5.2:*:*:*:*:*:*:*5.5.2VulnerablePHP
cpe:2.3:a:php:php:5.5.3:*:*:*:*:*:*:*5.5.3VulnerablePHP
cpe:2.3:a:php:php:5.5.4:*:*:*:*:*:*:*5.5.4VulnerablePHP
cpe:2.3:a:php:php:5.5.5:*:*:*:*:*:*:*5.5.5VulnerablePHP
cpe:2.3:a:php:php:5.5.6:*:*:*:*:*:*:*5.5.6VulnerablePHP
cpe:2.3:a:php:php:5.5.7:*:*:*:*:*:*:*5.5.7VulnerablePHP
cpe:2.3:a:php:php:5.5.8:*:*:*:*:*:*:*5.5.8VulnerablePHP
cpe:2.3:a:php:php:5.5.9:*:*:*:*:*:*:*5.5.9VulnerablePHP
cpe:2.3:a:php:php:5.5.10:*:*:*:*:*:*:*5.5.10VulnerablePHP
cpe:2.3:a:php:php:5.5.11:*:*:*:*:*:*:*5.5.11VulnerablePHP
cpe:2.3:a:php:php:5.5.12:*:*:*:*:*:*:*5.5.12VulnerablePHP
cpe:2.3:a:php:php:5.5.13:*:*:*:*:*:*:*5.5.13VulnerablePHP
cpe:2.3:a:php:php:5.5.14:*:*:*:*:*:*:*5.5.14VulnerablePHP
cpe:2.3:a:php:php:5.5.18:*:*:*:*:*:*:*5.5.18VulnerablePHP
cpe:2.3:a:php:php:5.5.19:*:*:*:*:*:*:*5.5.19VulnerablePHP
cpe:2.3:a:php:php:5.5.20:*:*:*:*:*:*:*5.5.20VulnerablePHP
cpe:2.3:a:php:php:5.5.21:*:*:*:*:*:*:*5.5.21VulnerablePHP
cpe:2.3:a:php:php:5.5.22:*:*:*:*:*:*:*5.5.22VulnerablePHP
cpe:2.3:a:php:php:5.5.23:*:*:*:*:*:*:*5.5.23VulnerablePHP
cpe:2.3:a:php:php:5.5.24:*:*:*:*:*:*:*5.5.24VulnerablePHP
cpe:2.3:a:php:php:5.5.25:*:*:*:*:*:*:*5.5.25VulnerablePHP
cpe:2.3:a:php:php:5.5.26:*:*:*:*:*:*:*5.5.26VulnerablePHP
cpe:2.3:a:php:php:5.5.27:*:*:*:*:*:*:*5.5.27VulnerablePHP
cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:*5.6.0 alpha1VulnerablePHP
cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:*5.6.0 alpha2VulnerablePHP
cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:*5.6.0 alpha3VulnerablePHP
cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:*5.6.0 alpha4VulnerablePHP
cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:*5.6.0 alpha5VulnerablePHP
cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:*5.6.0 beta1VulnerablePHP
cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:*5.6.0 beta2VulnerablePHP
cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:*5.6.0 beta3VulnerablePHP
cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:*5.6.0 beta4VulnerablePHP
cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*5.6.1VulnerablePHP
cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*5.6.2VulnerablePHP
cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*5.6.3VulnerablePHP
cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*5.6.4VulnerablePHP
cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*5.6.5VulnerablePHP
cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*5.6.6VulnerablePHP
cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*5.6.7VulnerablePHP
cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*5.6.8VulnerablePHP
cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*5.6.9VulnerablePHP
cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*5.6.10VulnerablePHP
cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*5.6.11VulnerablePHP
  • cpe:2.3:a:php:php:5.5.0:beta3:*:*:*:*:*:* Versions 5.5.0 beta3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.0:beta4:*:*:*:*:*:* Versions 5.5.0 beta4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.0:rc1:*:*:*:*:*:* Versions 5.5.0 rc1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.0:rc2:*:*:*:*:*:* Versions 5.5.0 rc2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.1:*:*:*:*:*:*:* Versions 5.5.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.2:*:*:*:*:*:*:* Versions 5.5.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.3:*:*:*:*:*:*:* Versions 5.5.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.4:*:*:*:*:*:*:* Versions 5.5.4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.5:*:*:*:*:*:*:* Versions 5.5.5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.6:*:*:*:*:*:*:* Versions 5.5.6 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.7:*:*:*:*:*:*:* Versions 5.5.7 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.8:*:*:*:*:*:*:* Versions 5.5.8 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.9:*:*:*:*:*:*:* Versions 5.5.9 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.10:*:*:*:*:*:*:* Versions 5.5.10 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.11:*:*:*:*:*:*:* Versions 5.5.11 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.12:*:*:*:*:*:*:* Versions 5.5.12 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.13:*:*:*:*:*:*:* Versions 5.5.13 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.14:*:*:*:*:*:*:* Versions 5.5.14 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.18:*:*:*:*:*:*:* Versions 5.5.18 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.19:*:*:*:*:*:*:* Versions 5.5.19 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.20:*:*:*:*:*:*:* Versions 5.5.20 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.21:*:*:*:*:*:*:* Versions 5.5.21 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.22:*:*:*:*:*:*:* Versions 5.5.22 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.23:*:*:*:*:*:*:* Versions 5.5.23 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.24:*:*:*:*:*:*:* Versions 5.5.24 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.25:*:*:*:*:*:*:* Versions 5.5.25 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.26:*:*:*:*:*:*:* Versions 5.5.26 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.5.27:*:*:*:*:*:*:* Versions 5.5.27 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:* Versions 5.6.0 alpha1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:* Versions 5.6.0 alpha2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:* Versions 5.6.0 alpha3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:* Versions 5.6.0 alpha4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:* Versions 5.6.0 alpha5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:* Versions 5.6.0 beta1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:* Versions 5.6.0 beta2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:* Versions 5.6.0 beta3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:* Versions 5.6.0 beta4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:* Versions 5.6.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:* Versions 5.6.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:* Versions 5.6.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:* Versions 5.6.4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:* Versions 5.6.5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:* Versions 5.6.6 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:* Versions 5.6.7 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:* Versions 5.6.8 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:* Versions 5.6.9 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:* Versions 5.6.10 Vulnerable ·PHP
  • cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:* Versions 5.6.11 Vulnerable ·PHP

Remediation

Red Hat 1 advisory

  • RHSA-2016:0457 Released 2016-03-15 · Red Hat rating Moderate
    rh-php56-php security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-php56-php-5.6.5-8.el6, rh-php56-php-bcmath-5.6.5-8.el6, rh-php56-php-cli-5.6.5-8.el6 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-php56-php-5.6.5-8.el7, rh-php56-php-bcmath-5.6.5-8.el7, rh-php56-php-cli-5.6.5-8.el7 +24
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) rh-php56-php-5.6.5-8.el6, rh-php56-php-bcmath-5.6.5-8.el6, rh-php56-php-cli-5.6.5-8.el6 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-php56-php-5.6.5-8.el6, rh-php56-php-bcmath-5.6.5-8.el6, rh-php56-php-cli-5.6.5-8.el6 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) rh-php56-php-5.6.5-8.el7, rh-php56-php-bcmath-5.6.5-8.el7, rh-php56-php-cli-5.6.5-8.el7 +24
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2) rh-php56-php-5.6.5-8.el7, rh-php56-php-bcmath-5.6.5-8.el7, rh-php56-php-cli-5.6.5-8.el7 +24
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-php56-php-5.6.5-8.el6, rh-php56-php-bcmath-5.6.5-8.el6, rh-php56-php-cli-5.6.5-8.el6 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-php56-php-5.6.5-8.el7, rh-php56-php-bcmath-5.6.5-8.el7, rh-php56-php-cli-5.6.5-8.el7 +24

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat OpenShift Enterprise 2AffectedNo fix planned: Will not fix
Red Hat Software CollectionsAffectedNo fix planned: Will not fix
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2016:0457
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:0457
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6)Fixed RHSA-2016:0457
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7)Fixed RHSA-2016:0457
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1)Fixed RHSA-2016:0457
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2)Fixed RHSA-2016:0457
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2016:0457
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:0457

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-6832
  2. 2026-10-03 Alias added: GHSA-7c6h-7vfv-vrfm

References

Advisory 2

Other 2

  • 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