CVE-2024-11235

9.2 CRITICAL 1% exploit odds Fix listed Memory safety Web app

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 1.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2025-04-04 18:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 06:57 UTC Last updatedMost recent change to the record

Details

Published: 2025-04-04 18:15 UTC
Last modified: 2026-06-17 06:57 UTC
Exploit probability: 1.5% · EPSS, next 30 days
Weakness: CWE-416 · Use after free
Record status: Analyzed

Affected

PHP < 8.3.19
PHP < 8.4.5

Attack profile CVSS 4.0 · 9.2

Attack vector: Network
Complexity: High
Attack requirements: Present
Privileges needed: None
User interaction: None
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber

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Fix and advisories

References

NVD record · CVE.org record