{"id":"OSV-2021-386","aliases":[],"status":"published","title":"Stack-buffer-overflow in ot::Coap::Message::AppendUintOption","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30831\n\n```\nCrash type: Stack-buffer-overflow READ 1\nCrash state:\not::Coap::Message::AppendUintOption\not::Coap::Message::AppendBlockOption\notCoapMessageAppendBlock2Option\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-02-13T00:00:59.547439Z","modified":"2022-04-13T03:04:38Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"openthread","ranges":[{"type":"GIT","events":[{"introduced":"2cd36266abaaf8b79ebb0441e6ed2ec3847cf3ca"},{"fixed":"159efe77c07abbd38f3afc754d6a644f1a14d64e"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30831","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-386","title":"Stack-buffer-overflow in ot::Coap::Message::AppendUintOption","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30831\n\n```\nCrash type: Stack-buffer-overflow READ 1\nCrash state:\not::Coap::Message::AppendUintOption\not::Coap::Message::AppendBlockOption\notCoapMessageAppendBlock2Option\n```\n","status":"published","published":"2021-02-13T00:00:59.547439Z","modified":"2022-04-13T03:04:38.946438Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}