{"id":"OSV-2021-1502","aliases":[],"status":"published","title":"Heap-buffer-overflow in asn_realloc_rbuild_string","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40431\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nasn_realloc_rbuild_string\nsnmpv3_scopedPDU_header_realloc_rbuild\nsnmpv3_packet_realloc_rbuild\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-10-29T00:01:25.958637Z","modified":"2022-04-13T03:04:35Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"net-snmp","ranges":[{"type":"GIT","events":[{"introduced":"8babb2d078f83a4956c7cf70a013c80f78e6f71d"},{"fixed":"abd1c594422eefed24c9586724d58525a7628226"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40431","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-1502","title":"Heap-buffer-overflow in asn_realloc_rbuild_string","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40431\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\nasn_realloc_rbuild_string\nsnmpv3_scopedPDU_header_realloc_rbuild\nsnmpv3_packet_realloc_rbuild\n```\n","status":"published","published":"2021-10-29T00:01:25.958637Z","modified":"2022-04-13T03:04:35.795166Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}