{"id":"CVE-2026-71220","title":"A stack out-of-bounds write vulnerability was found in gfs2-utils","summary":"A stack out-of-bounds write vulnerability was found in gfs2-utils. In gfs2_edit, the di_height field from on-disk inode metadata is used as an array index without bounds checking, causing a stack buffer overflow that may lead to arbitrar…","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"redhat","product":"enterprise_linux","affected":["enterprise_linux = 7.0","enterprise_linux = 8.0","enterprise_linux = 9.0"],"published":"2026-09-03","updated":"2026-09-22","sourceUpdated":"2026-09-22T16:31:31.880","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-71220","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-71220","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2511398","label":"secalert@redhat.com"}],"tags":["nvd","cve.org"],"epss":0.00134,"epssPercentile":0.03303,"ingestedAt":"2026-09-22T17:07:07.355Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-03T12:52:57.593511Z"},"slug":"CVE-2026-71220","body":"## Overview\n\nA stack out-of-bounds write vulnerability was found in gfs2-utils. In gfs2_edit, the di_height field from on-disk inode metadata is used as an array index without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images.\n\n## Affected\n\n- `enterprise_linux = 7.0`\n- `enterprise_linux = 8.0`\n- `enterprise_linux = 9.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}