{"id":"OSV-2021-1807","aliases":[],"status":"published","title":"Heap-use-after-free in dhcp6_no_relay","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44573\n\n```\nCrash type: Heap-use-after-free WRITE 1\nCrash state:\ndhcp6_no_relay\ndhcp6_maybe_relay\ndhcp6_maybe_relay\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2022-02-13T00:01:51.00922Z","modified":"2022-04-13T03:04:31Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"dnsmasq","ranges":[{"type":"GIT","events":[{"introduced":"96f6444958c29a670f4254722d787f328153605c"},{"fixed":"03345ecefeb0d82e3c3a4c28f27c3554f0611b39"}]}],"versions":["v2.86","v2.86rc1","v2.86rc2","v2.86rc3","v2.86test5","v2.86test6","v2.86test7","v2.87test1","v2.87test2","v2.87test3","v2.87test4","v2.87test5","v2.87test6","v2.87test7","v2.87test8"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44573","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-1807","title":"Heap-use-after-free in dhcp6_no_relay","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44573\n\n```\nCrash type: Heap-use-after-free WRITE 1\nCrash state:\ndhcp6_no_relay\ndhcp6_maybe_relay\ndhcp6_maybe_relay\n```\n","status":"published","published":"2022-02-13T00:01:51.00922Z","modified":"2022-04-13T03:04:31.136434Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}