{"schema_version":"1.7.3","id":"OSV-2020-1835","published":"2020-09-25T00:00:10.846065Z","modified":"2022-04-13T03:04:41.466004Z","summary":"Stack-buffer-overflow in fmt::v7::detail::buffer<char>::push_back","details":"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<char>::push_back\nstd::__1::back_insert_iterator<fmt::v7::detail::buffer<char> >::operator=\nfmt::v7::detail::buffer_appender<char> std::__1::__copy_constexpr<char const*, f\n```\n","affected":[{"package":{"name":"libfmt","ecosystem":"OSS-Fuzz","purl":"pkg:generic/libfmt"},"ranges":[{"type":"GIT","repo":"https://github.com/fmtlib/fmt.git","events":[{"introduced":"16410056bf0e6e8800c9ac4c231be3f1a688f8b3"},{"fixed":"c156093ffd99b0689af3826f3aa04e7db97cc543"}]}],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libfmt/OSV-2020-1835.yaml"}}],"references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25884"}]}