{"id":"DEBIAN-CVE-2026-71221","details":"A stack out-of-bounds write vulnerability was found in gfs2-utils. In savemeta, the height value from on-disk inode metadata is used as a loop bound without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images.","modified":"2026-09-23T08:47:26.291663788Z","published":"2026-09-03T13:06:02.887Z","upstream":["CVE-2026-71221"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-71221"}],"affected":[{"package":{"name":"gfs2-utils","ecosystem":"Debian:12","purl":"pkg:deb/debian/gfs2-utils?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.0-2","3.5.1-1","3.5.1-2","3.6.0-1","3.6.1-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-71221.json"}},{"package":{"name":"gfs2-utils","ecosystem":"Debian:13","purl":"pkg:deb/debian/gfs2-utils?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.1-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-71221.json"}},{"package":{"name":"gfs2-utils","ecosystem":"Debian:14","purl":"pkg:deb/debian/gfs2-utils?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.1-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-71221.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}