{"id":"OSV-2020-1835","aliases":[],"status":"published","title":"Stack-buffer-overflow in fmt::v7::detail::buffer\u003cchar\u003e::push_back","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25884\n\n```\nCrash type: Stack-buffer-overflow READ 1\nCrash state:\nfmt::v7::detail::buffer\u003cchar\u003e::push_back\nstd::__1::back_insert_iterator\u003cfmt::v7::detail::buffer\u003cchar\u003e \u003e::operator=\nfmt::v7::detail::buffer_appender\u003cchar\u003e std::__1::__copy_constexpr\u003cchar const*, f\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-09-25T00:00:10.846065Z","modified":"2022-04-13T03:04:41Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"libfmt","ranges":[{"type":"GIT","events":[{"introduced":"16410056bf0e6e8800c9ac4c231be3f1a688f8b3"},{"fixed":"c156093ffd99b0689af3826f3aa04e7db97cc543"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25884","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2020-1835","title":"Stack-buffer-overflow in fmt::v7::detail::buffer\u003cchar\u003e::push_back","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25884\n\n```\nCrash type: Stack-buffer-overflow READ 1\nCrash state:\nfmt::v7::detail::buffer\u003cchar\u003e::push_back\nstd::__1::back_insert_iterator\u003cfmt::v7::detail::buffer\u003cchar\u003e \u003e::operator=\nfmt::v7::detail::buffer_appender\u003cchar\u003e std::__1::__copy_constexpr\u003cchar const*, f\n```\n","status":"published","published":"2020-09-25T00:00:10.846065Z","modified":"2022-04-13T03:04:41.466004Z","updated_at":"2026-11-02T15:52:48.531106Z"}]}}