{"id":"OSV-2020-2247","aliases":[],"status":"published","title":"Stack-buffer-overflow in ot::MeshCoP::ChannelMaskEntryBase::GetEntrySize","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28315\n\n```\nCrash type: Stack-buffer-overflow READ 1\nCrash state:\not::MeshCoP::ChannelMaskEntryBase::GetEntrySize\not::MeshCoP::ChannelMaskEntryBase::GetNext\not::MeshCoP::ChannelMaskBaseTlv::IsValid\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-12-06T00:00:26.193153Z","modified":"2022-04-13T03:04:39Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"openthread","ranges":[{"type":"GIT","events":[{"introduced":"761f8304c18492a66308d1529f45e410c7673f9e"},{"fixed":"02f7dbb42be7f75355436ec43bc82d0b2b4caad6"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28315","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2020-2247","title":"Stack-buffer-overflow in ot::MeshCoP::ChannelMaskEntryBase::GetEntrySize","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28315\n\n```\nCrash type: Stack-buffer-overflow READ 1\nCrash state:\not::MeshCoP::ChannelMaskEntryBase::GetEntrySize\not::MeshCoP::ChannelMaskEntryBase::GetNext\not::MeshCoP::ChannelMaskBaseTlv::IsValid\n```\n","status":"published","published":"2020-12-06T00:00:26.193153Z","modified":"2022-04-13T03:04:39.024692Z","updated_at":"2026-11-02T15:52:48.531106Z"}]}}