{"id":"CVE-2026-56135","title":"In NTFS-3G through 2026.2.25, a heap-based buffer overflow exists in the function build_inherited_id() in libntfs-3g/security.c that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS i…","summary":"In NTFS-3G through 2026.2.25, a heap-based buffer overflow exists in the function build_inherited_id() in libntfs-3g/security.c that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS i…","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"],"vendor":"tuxera","product":"ntfs-3g","affected":["ntfs-3g < 2026.7.7"],"patched":["ntfs-3g 2026.7.7"],"published":"2026-08-24","updated":"2026-10-14","sourceUpdated":"2026-10-14T15:56:00.727","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-56135","references":[{"url":"https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-c9qg-fh4v-mq8r","label":"cve@mitre.org"}],"tags":["nvd"],"epss":0.00142,"epssPercentile":0.0347,"ingestedAt":"2026-09-09T16:14:05.515Z","slug":"CVE-2026-56135","body":"## Overview\n\nIn NTFS-3G through 2026.2.25, a heap-based buffer overflow exists in the function build_inherited_id() in libntfs-3g/security.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 crafted directory.\n\n## Affected\n\n- `ntfs-3g < 2026.7.7`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ntfs-3g 2026.7.7`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":40.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}