{"id":"CVE-2019-18837","details":"An issue was discovered in crun before 0.10.5. With a crafted image, it doesn't correctly check whether a target is a symlink, resulting in access to files outside of the container. This occurs in libcrun/linux.c and libcrun/chroot_realpath.c.","modified":"2026-03-14T14:39:04.730382Z","published":"2019-11-13T20:15:10.940Z","references":[{"type":"WEB","url":"https://github.com/containers/crun/releases/tag/0.10.5"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTA5SJUAKQUK6HRY2CZVJUIZP5BO3EOG/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITB2UNEGHXZUR3ATYHWPSK5LJB36N7AP/"},{"type":"FIX","url":"https://github.com/containers/crun/pull/173"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/containers/crun","events":[{"introduced":"0"},{"fixed":"91db0f4a76db33d6221e18ae0560cd715b2e3273"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"0.10.5"}]}}],"versions":["0.10","0.10.1","0.10.2","0.10.3","0.10.4","0.4","0.5","0.6","0.7","0.8","0.9","0.9.1","v0.2","v0.3"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"30"}]},{"events":[{"introduced":"0"},{"last_affected":"31"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18837.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"}]}