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CVE-2024-11236

PHP buffer overflow

9.8 CRITICALPublic exploitEPSS 2.07%
  1. Published24 Nov 2024

Description

In PHP versions 8.1.* before 8.1.31, 8.2.* before 8.2.26, 8.3.* before 8.3.14, uncontrolled long string inputs to ldap_escape() function on 32-bit systems can cause an integer overflow, resulting in an out-of-bounds write.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

PHP≥ 8.1.0 < 8.1.31 · ≥ 8.2.0 < 8.2.26 · ≥ 8.3.0 < 8.3.14

Remediation

Fixed in
PHP≥ 8.1.31

References

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Frequently asked

Is CVE-2024-11236 being actively exploited?

CVE-2024-11236 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 2.07%.

How severe is CVE-2024-11236?

CVE-2024-11236 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 2.07% probability of exploitation.

Which products are affected by CVE-2024-11236?

Affected products include PHP.

How do I fix CVE-2024-11236?

Upgrade affected software to a fixed version, for example PHP 8.1.31 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-11236 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.