Read the docs
TI-2020-05707 Aliases CVE-2020-7068GHSA-vc9g-5348-gqwv

Use of freed hash key in the phar_parse_zipfile function

Priority LOW 25CWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Low · None · Low
Fix status
Partial Red Hat: 4 fixed, 5 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure.

Why it matters now

EPSS 0.01661 76th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial PHP (PHP Group): 7.3.21, 7.4.9, 7.2.33Red Hat: 2 advisoriesRed Hat: 4 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
PHP GroupPHP7.3.x to before 7.3.21; 7.4.x to before 7.4.9; 7.2.x to before 7.2.337.3.21, 7.4.9, 7.2.33Patch availableCNA
  • PHP VendorPHP Group Affected 7.3.x to before 7.3.21; 7.4.x to before 7.4.9; 7.2.x to before 7.2.33 Fixed in 7.3.21, 7.4.9, 7.2.33 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*7.2.0 to before 7.2.33; 7.3.0 to before 7.3.21; 7.4.0 to before 7.4.9VulnerablePHP
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:*before 5.19.0VulnerableTenable
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions 7.2.0 to before 7.2.33; 7.3.0 to before 7.3.21; 7.4.0 to before 7.4.9 Vulnerable ·PHP
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:* Versions before 5.19.0 Vulnerable ·Tenable

Remediation

  • Fix · CNA PHP (PHP Group) Fixed in 7.3.21, 7.4.9, 7.2.33

Red Hat 2 advisories

  • RHSA-2021:4213 Released 2021-11-09 · Red Hat rating Moderate
    php:7.4 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) apcu-panel-5.1.18-1.module+el8.3.0+6678+b09f589e.noarch::php:7.4, libzip-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64::php:7.4, libzip-1.6.1-1.module+el8.3.0+6678+b09f589e.ppc64le::php:7.4 +47
  • RHSA-2021:2992 Released 2021-08-03 · Red Hat rating Moderate
    rh-php73-php security, bug fix, and enhancement update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-php73-php-7.3.29-1.el7, rh-php73-php-bcmath-7.3.29-1.el7, rh-php73-php-cli-7.3.29-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-php73-php-7.3.29-1.el7, rh-php73-php-bcmath-7.3.29-1.el7, rh-php73-php-cli-7.3.29-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-php73-php-7.3.29-1.el7, rh-php73-php-bcmath-7.3.29-1.el7, rh-php73-php-cli-7.3.29-1.el7 +26

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Software CollectionsAffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2021:4213
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2021:2992
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7)Fixed RHSA-2021:2992
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2021:2992

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-7068
  2. 2026-10-03 Alias added: GHSA-vc9g-5348-gqwv

References

  • TI-2024-04260 Argument Injection in PHP-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-2024-01743 Command injection via array-ish $command parameter of proc_open() CVSS 3.1CRITICAL 9.4
  • TI-2022-13555 PDO::quote() may return unquoted string CVSS 3.1CRITICAL 9.1
  • TI-2024-10408 Reference counting in php_request_shutdown causes Use-After-Free CVSS 4.0CRITICAL 9.2
See all 107 →

Sources