{"id":"OSV-2026-762","summary":"Heap-buffer-overflow in coap_pdu_parse_header","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513783540\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\ncoap_pdu_parse_header\ncoap_pdu_parse2\ncoap_pdu_parse\n```\n","modified":"2026-05-18T00:04:25.606757Z","published":"2026-05-18T00:04:25.606463Z","references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513783540"}],"affected":[{"package":{"name":"libcoap","ecosystem":"OSS-Fuzz","purl":"pkg:generic/libcoap"},"ranges":[{"type":"GIT","repo":"https://github.com/obgm/libcoap.git","events":[{"introduced":"2614649eccf9836355235ef8fab018f2f56669b8"},{"fixed":"12a4a494f5224e23ba2f190ab711848d0b8f67d7"}]}],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"fixed_range":"9f14450a7ede9da347e27648da793fb8698c6e57:12a4a494f5224e23ba2f190ab711848d0b8f67d7","introduced_range":"c99bf12801d845cb6543aea72c12c33ebc07720a:64e2a65ad047e1f9429f4c0b7b838a50bda4b909","source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libcoap/OSV-2026-762.yaml"}}],"schema_version":"1.7.5"}