{"id":"OSV-2020-1850","aliases":[],"status":"published","title":"Heap-buffer-overflow in fmt::v6::basic_string_view\u003cchar\u003e::basic_string_view","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21763\n\n```\nCrash type: Heap-buffer-overflow READ 2\nCrash state:\nfmt::v6::basic_string_view\u003cchar\u003e::basic_string_view\nfmt::v6::basic_format_arg\u003cfmt::v6::basic_format_context\u003cstd::__1::back_insert_it\nfmt::v6::basic_format_context\u003cstd::__1::back_insert_iterator\u003cfmt::v6::internal::\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-09-26T00:00:33.702898Z","modified":"2022-04-13T03:04:41Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"libfmt","ranges":[{"type":"GIT","events":[{"introduced":"8a4630686e2dd24900897298c4ae1362de749ed8"},{"fixed":"c9a57b9a81868188470c611e09accc189383e4ad"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21763","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2020-1850","title":"Heap-buffer-overflow in fmt::v6::basic_string_view\u003cchar\u003e::basic_string_view","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21763\n\n```\nCrash type: Heap-buffer-overflow READ 2\nCrash state:\nfmt::v6::basic_string_view\u003cchar\u003e::basic_string_view\nfmt::v6::basic_format_arg\u003cfmt::v6::basic_format_context\u003cstd::__1::back_insert_it\nfmt::v6::basic_format_context\u003cstd::__1::back_insert_iterator\u003cfmt::v6::internal::\n```\n","status":"published","published":"2020-09-26T00:00:33.702898Z","modified":"2022-04-13T03:04:41.471399Z","updated_at":"2026-11-02T15:52:48.531106Z"}]}}