What’s Vulnerable › Vulnerabilities

CVE-2024-56318

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-12-18 · updated 2026-06-17
• Weakness: CWE-476

Description

In raw\TCP.cpp in Matter (aka connectedhomeip or Project CHIP) through 1.4.0.0 before 27ca6ec, there is a NULL pointer dereference in TCPBase::ProcessSingleMessage via TCP packets with zero messageSize, leading to denial of service.

Affected products

• Matter: before 27ca6ec — fixed in 27ca6ec

How to fix

Upgrade to a fixed version: Matter 27ca6ec. Check the vendor advisory for mitigations.

References

• https://github.com/project-chip/connectedhomeip/commit/27ca6ec255b78168e04bd71e0f1a473869cf144b
• https://github.com/project-chip/connectedhomeip/issues/36750
• https://github.com/project-chip/connectedhomeip/pull/36751

Get alerted when CVE-2024-56318 or the next vulnerability affects your stack