{"id":"CVE-2026-42617","title":"In NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ir_to_ib() in 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_ir_to_ib() in 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 exten…","severity":"none","published":"2026-10-07","updated":"2026-10-07","sourceUpdated":"2026-10-07T14:47:21.140","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-42617","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-jv65-qqf7-f692","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-07T14:33:21.953Z","slug":"CVE-2026-42617","body":"## Overview\n\nIn NTFS-3G before 2026.7.7, a heap buffer overflow exists in ntfs_ir_to_ib() in 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 extending a directory, e.g., by creating a file.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}