{"id":"CVE-2024-56318","aliases":["EUVD-2024-53107","GHSA-93xr-jvr5-8x88"],"status":"published","title":"In raw\\TCP.cpp in Matter (aka connectedhomeip or Project CHIP) through 1.4.0.0 before 27ca6ec,...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00597,"percentile":0.49079,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2024-12-18T00:00:00Z","modified":"2026-10-28T10:54:49Z","products":[{"vendor":"matter","product":"matter"}],"references":[{"url":"https://github.com/project-chip/connectedhomeip/issues/36750","tags":["report"]},{"url":"https://github.com/project-chip/connectedhomeip/pull/36751","tags":["fix"]},{"url":"https://github.com/project-chip/connectedhomeip/commit/27ca6ec255b78168e04bd71e0f1a473869cf144b","tags":["fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56318","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-93xr-jvr5-8x88"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56318.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-56318","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.","status":"published","published":"2024-12-18T00:00:00Z","modified":"2025-01-02T19:16:54.125Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:33:57.983942Z"}],"euvd":[{"id":"EUVD-2024-53107","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.","status":"published","published":"2024-12-18T00:00:00Z","modified":"2025-01-02T19:16:54Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:27.955488Z"}],"ghsa":[{"id":"GHSA-93xr-jvr5-8x88","title":"In raw\\TCP.cpp in Matter (aka connectedhomeip or Project CHIP) through 1.4.0.0 before 27ca6ec,...","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.","status":"published","published":"2024-12-19T00:37:36Z","modified":"2025-01-02T21:32:47Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:59:20.744167Z"}],"nvd":[{"id":"CVE-2024-56318","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.","status":"published","published":"2024-12-18T23:15:18.213Z","modified":"2026-06-17T08:12:01.97Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:10:40.507978Z"}],"osv":[{"id":"CVE-2024-56318","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.","status":"published","published":"2024-12-18T00:00:00Z","modified":"2026-10-28T10:54:49.071265043Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:44:44.777182Z"}]}}