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TI-2017-09579 Aliases CVE-2017-12934GHSA-cmv9-8x32-p5q7

ext/standard/var_unserializer.re in PHP 7.0.x before 7.0.21 and 7.1.x before 7.1.7 is…

Priority LOW 39CWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

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

Summary

ext/standard/var_unserializer.re in PHP 7.0.x before 7.0.21 and 7.1.x before 7.1.7 is prone to a heap use after free while unserializing untrusted data, related to the zval_get_type function in Zend/zend_types.h. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

Why it matters now

EPSS 0.03634 89th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

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 · 28

CPEVersionsRoleVendor
cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*7.0.0VulnerablePHP
cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*7.0.1VulnerablePHP
cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*7.0.2VulnerablePHP
cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*7.0.3VulnerablePHP
cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*7.0.4VulnerablePHP
cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*7.0.5VulnerablePHP
cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:*7.0.6VulnerablePHP
cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:*7.0.7VulnerablePHP
cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:*7.0.8VulnerablePHP
cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:*7.0.9VulnerablePHP
  • cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:* Versions 7.0.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:* Versions 7.0.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:* Versions 7.0.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:* Versions 7.0.4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:* Versions 7.0.5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:* Versions 7.0.6 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:* Versions 7.0.7 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:* Versions 7.0.8 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:* Versions 7.0.9 Vulnerable ·PHP
Show 18 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:*7.0.10VulnerablePHP
cpe:2.3:a:php:php:7.0.11:*:*:*:*:*:*:*7.0.11VulnerablePHP
cpe:2.3:a:php:php:7.0.12:*:*:*:*:*:*:*7.0.12VulnerablePHP
cpe:2.3:a:php:php:7.0.13:*:*:*:*:*:*:*7.0.13VulnerablePHP
cpe:2.3:a:php:php:7.0.14:*:*:*:*:*:*:*7.0.14VulnerablePHP
cpe:2.3:a:php:php:7.0.15:*:*:*:*:*:*:*7.0.15VulnerablePHP
cpe:2.3:a:php:php:7.0.16:*:*:*:*:*:*:*7.0.16VulnerablePHP
cpe:2.3:a:php:php:7.0.17:*:*:*:*:*:*:*7.0.17VulnerablePHP
cpe:2.3:a:php:php:7.0.18:*:*:*:*:*:*:*7.0.18VulnerablePHP
cpe:2.3:a:php:php:7.0.19:*:*:*:*:*:*:*7.0.19VulnerablePHP
cpe:2.3:a:php:php:7.0.20:*:*:*:*:*:*:*7.0.20VulnerablePHP
cpe:2.3:a:php:php:7.1.0:*:*:*:*:*:*:*7.1.0VulnerablePHP
cpe:2.3:a:php:php:7.1.1:*:*:*:*:*:*:*7.1.1VulnerablePHP
cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:*7.1.2VulnerablePHP
cpe:2.3:a:php:php:7.1.3:*:*:*:*:*:*:*7.1.3VulnerablePHP
cpe:2.3:a:php:php:7.1.4:*:*:*:*:*:*:*7.1.4VulnerablePHP
cpe:2.3:a:php:php:7.1.5:*:*:*:*:*:*:*7.1.5VulnerablePHP
cpe:2.3:a:php:php:7.1.6:*:*:*:*:*:*:*7.1.6VulnerablePHP
  • cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:* Versions 7.0.10 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.11:*:*:*:*:*:*:* Versions 7.0.11 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.12:*:*:*:*:*:*:* Versions 7.0.12 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.13:*:*:*:*:*:*:* Versions 7.0.13 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.14:*:*:*:*:*:*:* Versions 7.0.14 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.15:*:*:*:*:*:*:* Versions 7.0.15 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.16:*:*:*:*:*:*:* Versions 7.0.16 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.17:*:*:*:*:*:*:* Versions 7.0.17 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.18:*:*:*:*:*:*:* Versions 7.0.18 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.19:*:*:*:*:*:*:* Versions 7.0.19 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.0.20:*:*:*:*:*:*:* Versions 7.0.20 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.1.0:*:*:*:*:*:*:* Versions 7.1.0 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.1.1:*:*:*:*:*:*:* Versions 7.1.1 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:* Versions 7.1.2 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.1.3:*:*:*:*:*:*:* Versions 7.1.3 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.1.4:*:*:*:*:*:*:* Versions 7.1.4 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.1.5:*:*:*:*:*:*:* Versions 7.1.5 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.1.6:*:*:*:*:*:*:* Versions 7.1.6 Vulnerable ·PHP

Remediation

Red Hat 1 advisory

  • RHSA-2018:1296 Released 2018-05-03 · Red Hat rating Moderate
    rh-php70-php security, bug fix, and enhancement update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-php70-php-7.0.27-1.el6, rh-php70-php-bcmath-7.0.27-1.el6, rh-php70-php-cli-7.0.27-1.el6 +28
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-php70-php-7.0.27-1.el7, rh-php70-php-bcmath-7.0.27-1.el7, rh-php70-php-cli-7.0.27-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-php70-php-7.0.27-1.el6, rh-php70-php-bcmath-7.0.27-1.el6, rh-php70-php-cli-7.0.27-1.el6 +28
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-php70-php-7.0.27-1.el7, rh-php70-php-bcmath-7.0.27-1.el7, rh-php70-php-cli-7.0.27-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-php70-php-7.0.27-1.el7, rh-php70-php-bcmath-7.0.27-1.el7, rh-php70-php-cli-7.0.27-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-php70-php-7.0.27-1.el7, rh-php70-php-bcmath-7.0.27-1.el7, rh-php70-php-cli-7.0.27-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-php70-php-7.0.27-1.el6, rh-php70-php-bcmath-7.0.27-1.el6, rh-php70-php-cli-7.0.27-1.el6 +28
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-php70-php-7.0.27-1.el7, rh-php70-php-bcmath-7.0.27-1.el7, rh-php70-php-cli-7.0.27-1.el7 +26

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7)Fixed RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3)Fixed RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)Fixed RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:1296
Not affected: 4 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-12934
  2. 2026-10-03 Alias added: GHSA-cmv9-8x32-p5q7

References

Advisory 4

  • 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