{"id":"DEBIAN-CVE-2023-4949","details":"An attacker with local access to a system (either through a disk or external drive) can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grub’s XFS file system implementation.","modified":"2026-09-15T09:02:46.920367598Z","published":"2023-11-10T17:15:07.570Z","upstream":["CVE-2023-4949"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-4949"}],"affected":[{"package":{"name":"grub","ecosystem":"Debian:12","purl":"pkg:deb/debian/grub?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.97-80","0.97-81","0.97-82","0.97-83","0.97-84"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-4949.json"}},{"package":{"name":"grub","ecosystem":"Debian:13","purl":"pkg:deb/debian/grub?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.97-84"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-4949.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}