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TI-2015-05730 Aliases CVE-2015-6831GHSA-44m9-gpqm-x8fj

Multiple use-after-free vulnerabilities in SPL in PHP before 5.4.44, 5.5.x before 5.5.28…

Priority MEDIUM 42CWE-416Published · 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 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

Multiple use-after-free vulnerabilities in SPL in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allow remote attackers to execute arbitrary code via vectors involving (1) ArrayObject, (2) SplObjectStorage, and (3) SplDoublyLinkedList, which are mishandled during unserialization.

Why it matters now

EPSS 0.07057 94th 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 · 3

CPEVersionsRoleVendor
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*before 5.4.44; 5.5.0 to before 5.5.28; 5.6.0 to before 5.6.12VulnerablePHP
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions before 5.4.44; 5.5.0 to before 5.5.28; 5.6.0 to before 5.6.12 Vulnerable ·PHP
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

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-2015-6831
  2. 2026-10-03 Alias added: GHSA-44m9-gpqm-x8fj

References

Advisory 2

Other 6

Sources

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