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HIGH

CVE-2024-11235

CVSS v3

8.1

HIGH

EPSS Score

1.5 %

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

  • phpBitnamifrom 8.3.0 · fixed in 8.3.19and 2 other packages
  • phpAlmaLinux:10all versions · fixed in 8.3.19-1.el10_0and 24 other packages
  • phpAlmaLinux:9all versions · fixed in 8.3.19-1.module_el9.6.0+166+f262c21cand 24 other packages
  • php-pecl-apcuAlmaLinux:9all versions · fixed in 5.1.23-1.module_el9.6.0+151+5f31e576and 2 other packages
  • php-pecl-redis6AlmaLinux:9all versions · fixed in 6.1.0-2.module_el9.6.0+151+5f31e576
  • php-pecl-rrdAlmaLinux:9all versions · fixed in 2.0.3-4.module_el9.6.0+151+5f31e576
  • php-pecl-xdebug3AlmaLinux:9all versions · fixed in 3.3.1-1.module_el9.6.0+151+5f31e576
  • php-pecl-zipAlmaLinux:9all versions · fixed in 1.22.3-1.module_el9.6.0+151+5f31e576

Vendor advisories

  • CVE-2024-11235 Red Hat Product Security472 products fixed · 54 known affected

    php: Reference counting in php_request_shutdown causes Use-After-Free

    php as a component of Red Hat Enterprise Linux 6 · php-bcmath as a component of Red Hat Enterprise Linux 6 · php-cli as a component of Red Hat Enterprise Linux 6

  • RHSA-2025:7489 Red Hat Product Security201 products fixed

    Red Hat Security Advisory: php security update

  • RHSA-2025:7418 Red Hat Product Security271 products fixed

    Red Hat Security Advisory: php:8.3 security update

Full record on NVD

Description

In PHP versions 8.3.* before 8.3.19 and 8.4.* before 8.4.5, a code sequence involving __set handler or ??=  operator and exceptions can lead to a use-after-free vulnerability. If the third party can control the memory layout leading to this, for example by supplying specially crafted inputs to the script, it could lead to remote code execution.

Technical details

Published
2025-04-04

Frequently asked questions

What is CVE-2024-11235?

In PHP versions 8.3.* before 8.3.19 and 8.4.* before 8.4.5, a code sequence involving __set handler or ??=  operator and exceptions can lead to a use-after-free vulnerability. If the third party can control the memory layout leading to this, for example by supplying specially crafted inputs to the script, it could lead to remote code execution.

Is CVE-2024-11235 actively exploited?

Active exploitation of CVE-2024-11235 has not been confirmed. Its EPSS score was 1.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-11235?

CVE-2024-11235 has a CVSS v3 base score of 8.1 (HIGH severity).

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