{"id":"CVE-2024-31031","aliases":["DEBIAN-CVE-2024-31031","EUVD-2024-28949","GHSA-8hrj-6457-w65j","UBUNTU-CVE-2024-31031"],"status":"published","title":"An issue in `coap_pdu.c` in libcoap 4.3.4 allows attackers to cause undefined behavior via a...","description":"An issue in `coap_pdu.c` in libcoap 4.3.4 allows attackers to cause undefined behavior via a sequence of messages leading to unsigned integer 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Tracking","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/","tags":["vendor-advisory","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/","tags":["vendor-advisory","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-31031","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG"},{"url":"https://github.com/advisories/GHSA-8hrj-6457-w65j"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31031.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-31031","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-31031","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-31031","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2024-31031","description":"An 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undefined behavior via a...","description":"An issue in `coap_pdu.c` in libcoap 4.3.4 allows attackers to cause undefined behavior via a sequence of messages leading to unsigned integer overflow.","status":"published","published":"2024-04-17T21:30:47Z","modified":"2025-11-05T00:32:20Z","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-190"],"updated_at":"2026-11-02T15:04:39.50413Z"}],"nvd":[{"id":"CVE-2024-31031","description":"An issue in `coap_pdu.c` in libcoap 4.3.4 allows attackers to cause undefined behavior via a sequence of messages leading to unsigned integer overflow.","status":"published","published":"2024-04-17T19:15:07.623Z","modified":"2026-06-17T07:27:42.017Z","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-190"],"updated_at":"2026-11-02T14:09:52.184911Z"}],"osv":[{"id":"CVE-2024-31031","description":"An 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sequence of messages leading to unsigned integer overflow.","status":"published","published":"2024-04-17T19:15:00Z","modified":"2026-11-09T12:49:26.453741998Z","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":"2026-11-09T13:27:42.046613Z"}]}}