{"id":"CVE-2024-40494","details":"Buffer Overflow in coap_msg.c in FreeCoAP allows remote attackers to execute arbitrary code or cause a denial of service (stack buffer overflow) via a crafted packet.","modified":"2026-10-25T10:45:07.451560592Z","published":"2024-10-22T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40494.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://gist.github.com/dqp10515/e9d7d663cb89187bfe7b39bb3aeb0113"},{"type":"WEB","url":"https://github.com/dqp10515/security/tree/main/FreeCoAP_bug"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40494.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-40494"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/keith-cullen/freecoap","events":[{"introduced":"dffe8a210de37e18caf59a60413ea7ae7b4092da"},{"last_affected":"dffe8a210de37e18caf59a60413ea7ae7b4092da"}],"database_specific":{"extracted_events":[{"cpe":"cpe:2.3:a:keith-cullen:freecoap:0.7:*:*:*:*:*:*:*","range":[{"introduced":"0.7"},{"last_affected":"0.7"}],"source":"CPE_STRING"}]}}],"versions":["0.7","v0.7-tinydtls"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-40494.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}