{"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":"2026-07-08T05:53:34.958971602Z","published":"2019-11-13T20:15:10.940Z","database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"30"},{"last_affected":"30"},{"introduced":"31"},{"last_affected":"31"}]}]},"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":{"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:crun_project:crun:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"0.10.5"}]}}],"versions":["0.10.4","0.10.3","0.10.2","0.10.1","0.10","0.9.1","0.9","0.8","0.7","0.6","0.5","0.4","v0.3","v0.2"],"database_specific":{"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"}]}