{"id":"OSV-2021-557","aliases":[],"status":"published","title":"Heap-use-after-free in copy_string","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375\n\n```\nCrash type: Heap-use-after-free READ 1\nCrash state:\ncopy_string\ndo_uncompress_block\nprocess_block\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-03-25T00:01:05.489589Z","modified":"2023-01-04T05:36:30Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"libarchive","ranges":[{"type":"GIT","events":[{"introduced":"47bb8187d3ef2d49ee8c7841cb2872b3cfa1f6f7"},{"fixed":"17f4e83c0f0fc3bacf4b2bbacb01f987bb5aff5f"},{"fixed":"05591dd516aa454e6d37fc55a2facac5f91355eb"},{"fixed":"56c920eab3352f7877ee0cf9e472c1ab376c7e3e"}]}],"versions":["v3.4.1","v3.4.2","v3.4.3","v3.5.0","v3.5.1","v3.5.2"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-557","title":"Heap-use-after-free in copy_string","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375\n\n```\nCrash type: Heap-use-after-free READ 1\nCrash state:\ncopy_string\ndo_uncompress_block\nprocess_block\n```\n","status":"published","published":"2021-03-25T00:01:05.489589Z","modified":"2023-01-04T05:36:30.23711Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}