{"id":"OSV-2021-457","aliases":[],"status":"published","title":"Heap-buffer-overflow in unescape_tag","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31491\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nunescape_tag\nirc_parse_message_tags\nirc_server_event_tags\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-03-01T00:00:00.96097Z","modified":"2022-04-13T03:04:33Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"irssi","ranges":[{"type":"GIT","events":[{"introduced":"d535a79730ea291a1dfe9f5be190009eecc1e275"},{"fixed":"4c069f5c8f3b63d8ba8556ba8292e1f5972508d6"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31491","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-457","title":"Heap-buffer-overflow in unescape_tag","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31491\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nunescape_tag\nirc_parse_message_tags\nirc_server_event_tags\n```\n","status":"published","published":"2021-03-01T00:00:00.96097Z","modified":"2022-04-13T03:04:33.983701Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}