{"id":"CVE-2019-3902","details":"A flaw was found in Mercurial before 4.9. It was possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside a repository.","aliases":["GHSA-mq66-vcfc-8246","PYSEC-2019-188"],"modified":"2026-03-15T22:29:35.012422Z","published":"2019-04-22T16:29:01.913Z","related":["MGASA-2019-0250","SUSE-SU-2020:1709-1","SUSE-SU-2020:1709-2","SUSE-SU-2020:3003-1","openSUSE-SU-2020:0869-1","openSUSE-SU-2020:0880-1","openSUSE-SU-2024:10586-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html"},{"type":"WEB","url":"https://usn.ubuntu.com/4086-1/"},{"type":"ADVISORY","url":"https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.9_.282019-02-01.29"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/04/msg00024.html"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3902"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-3902.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"4.9"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}