CVE-2024-56318

7.5 highEPSS 0.6%

High (7.5). EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2024-12-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

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

Check your stack JSON