{"id":"OSV-2021-450","aliases":[],"status":"published","title":"Global-buffer-overflow in coap_pdu_parse_opt","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31479\n\n```\nCrash type: Global-buffer-overflow WRITE 1\nCrash state:\ncoap_pdu_parse_opt\ncoap_pdu_parse\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-02-28T00:00:03.278436Z","modified":"2022-04-13T03:04:42Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"libcoap","ranges":[{"type":"GIT","events":[{"introduced":"757ca19cd0b7612b17ce05f6dcad6e02e4b7e497"},{"fixed":"f930b0ad5bc73689d4b63d3742f39d6ff49197a9"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31479","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-450","title":"Global-buffer-overflow in coap_pdu_parse_opt","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31479\n\n```\nCrash type: Global-buffer-overflow WRITE 1\nCrash state:\ncoap_pdu_parse_opt\ncoap_pdu_parse\n```\n","status":"published","published":"2021-02-28T00:00:03.278436Z","modified":"2022-04-13T03:04:42.402386Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}