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HIGH

CVE-2019-9024

CVSS v3

7.5

HIGH

EPSS Score

7.1 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • apcu-panelAlmaLinux:8all versions · fixed in 5.1.12-2.module_el8.3.0+2010+7c76a223and 1 other package
  • libzipAlmaLinux:8all versions · fixed in 1.5.1-2.module_el8.5.0+53+9945c2afand 2 other packages
  • phpAlmaLinux:8all versions · fixed in 7.2.24-1.module_el8.5.0+53+9945c2afand 9 other packages
  • php-dbaAlmaLinux:8all versions · fixed in 7.2.24-1.module_el8.3.0+2010+7c76a223and 6 other packages
  • php-gdAlmaLinux:8all versions · fixed in 7.2.24-1.module_el8.4.0+2228+7c76a223and 9 other packages
  • php-pearAlmaLinux:8all versions · fixed in 1:1.10.5-9.module_el8.3.0+2010+7c76a223
  • php-pecl-apcu-develAlmaLinux:8all versions · fixed in 5.1.12-2.module_el8.4.0+2228+7c76a223
  • php-pecl-zipAlmaLinux:8all versions · fixed in 1.15.3-1.module_el8.3.0+2010+7c76a223

Vendor advisories

  • CVE-2019-9024 Red Hat Product Security1,316 products fixed · 61 known affected

    php: Out-of-bounds read in base64_decode_xmlrpc in ext/xmlrpc/libxmlrpc/base64.c

    php.src as a component of Red Hat Enterprise Linux 5 · php as a component of Red Hat Enterprise Linux 6 · php-bcmath as a component of Red Hat Enterprise Linux 6

  • ICSA-26-027-02 CISA1 known affected

    Festo Didactic SE MES PC

    Festo Didactic SE MES PC shipped with Windows 10

  • RHSA-2020:1624 Red Hat Product Security275 products fixed

    Red Hat Security Advisory: php:7.2 security, bug fix, and enhancement update

  • RHSA-2020:1112 Red Hat Product Security191 products fixed

    Red Hat Security Advisory: php security update

  • RHSA-2019:3299 Red Hat Product Security425 products fixed

    Red Hat Security Advisory: rh-php72-php security update

  • RHSA-2019:2519 Red Hat Product Security425 products fixed

    Red Hat Security Advisory: rh-php71-php security, bug fix, and enhancement update

Full record on NVD

Description

An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. xmlrpc_decode() can allow a hostile XMLRPC server to cause PHP to read memory outside of allocated areas in base64_decode_xmlrpc in ext/xmlrpc/libxmlrpc/base64.c.

Technical details

Published
2019-02-22

Frequently asked questions

What is CVE-2019-9024?

An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. xmlrpc_decode() can allow a hostile XMLRPC server to cause PHP to read memory outside of allocated areas in base64_decode_xmlrpc in ext/xmlrpc/libxmlrpc/base64.c.

Is CVE-2019-9024 actively exploited?

Active exploitation of CVE-2019-9024 has not been confirmed. Its EPSS score was 7.1% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-9024?

CVE-2019-9024 has a CVSS v3 base score of 7.5 (HIGH severity).

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