{"id":"CVE-2026-46572","title":"In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ib_cut_tail() in libntfs-3g/index.c that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image","summary":"In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ib_cut_tail() in libntfs-3g/index.c that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is trig…","severity":"high","cvss":7.4,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-122"],"published":"2026-10-07","updated":"2026-10-07","sourceUpdated":"2026-10-07T19:17:37.393","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-46572","references":[{"url":"https://github.com/tuxera/ntfs-3g/releases#release-2026.7.7","label":"cve@mitre.org"},{"url":"https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-wx5r-gc7w-9hhc","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-07T18:44:27.063716Z"},"ingestedAt":"2026-10-07T14:33:21.956Z","slug":"CVE-2026-46572","body":"## Overview\n\nIn NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ib_cut_tail() in libntfs-3g/index.c that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered by creating a file in a specially crafted directory.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":40.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":217725,"id":"CVE-2026-46572","ts":1791406378731,"field":"cvss","old":null,"new":"7.4"},{"seq":217724,"id":"CVE-2026-46572","ts":1791406378731,"field":"severity","old":"none","new":"high"}]}