{"id":"JLSEC-2025-234","summary":"libarchive 3.4.1 through 3.5.1 has a use-after-free in `copy_string` (called from...","details":"libarchive 3.4.1 through 3.5.1 has a use-after-free in `copy_string` (called from `do_uncompress_block` and `process_block`).","modified":"2026-07-23T22:30:12.453601097Z","published":"2025-11-25T22:03:17.636Z","upstream":["CVE-2021-36976"],"database_specific":{"license":"CC-BY-4.0","sources":[{"url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-36976","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36976","database_specific":{"status":"Modified"},"id":"CVE-2021-36976","imported":"2026-07-17T20:48:04.094Z","modified":"2026-06-17T03:59:45.350Z","published":"2021-07-20T07:15:07.950Z"}]},"references":[{"type":"WEB","url":"http://seclists.org/fulldisclosure/2022/Mar/27"},{"type":"WEB","url":"http://seclists.org/fulldisclosure/2022/Mar/28"},{"type":"WEB","url":"http://seclists.org/fulldisclosure/2022/Mar/29"},{"type":"WEB","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375"},{"type":"WEB","url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/11/msg00007.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SE5NJQNM22ZE5Z55LPAGCUHSBQZBKMKC/"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202208-26"},{"type":"WEB","url":"https://support.apple.com/kb/HT213182"},{"type":"WEB","url":"https://support.apple.com/kb/HT213183"},{"type":"WEB","url":"https://support.apple.com/kb/HT213193"}],"affected":[{"package":{"name":"LibArchive_jll","ecosystem":"Julia","purl":"pkg:julia/LibArchive_jll?uuid=1e303b3e-d4db-56ce-88c4-91e52606a1a8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.7.4+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2025/JLSEC-2025-234.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:N/AC:M/Au:N/C:N/I:N/A:P"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}