CVE-2026-42617
published 2026-10-07CVE-2026-42617: 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…
PriorityP432high7.1CVSS 3.1
AVLACLPRLUINSUCNIHAH
EPSS
0.15%
3.6th percentile
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 extending a directory, e.g., by creating a file.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| tuxera | ntfs-3g | < 2026.7.7 | 2026.7.7 |
| ubuntu | ntfs-3g | — | — |
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No public exploits indexed.
Bugzilla
CVE-2026-42617 ntfs-3g: ntfs-3g: Privilege escalation via heap-based buffer overflow in ntfs_ir_to_ib()
bugzilla·2026-10-07·CVSS 7.1
CVE-2026-42617 [HIGH] CVE-2026-42617 ntfs-3g: ntfs-3g: Privilege escalation via heap-based buffer overflow in ntfs_ir_to_ib()
CVE-2026-42617 ntfs-3g: ntfs-3g: Privilege escalation via heap-based buffer overflow in ntfs_ir_to_ib()
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 extending a directory, e.g., by creating a file.
Bugzilla
CVE-2026-42617 ntfs-3g: ntfs-3g: Privilege escalation via heap-based buffer overflow in ntfs_ir_to_ib() [fedora-all]
bugzilla·2026-10-07·CVSS 7.1
CVE-2026-42617 [HIGH] CVE-2026-42617 ntfs-3g: ntfs-3g: Privilege escalation via heap-based buffer overflow in ntfs_ir_to_ib() [fedora-all]
CVE-2026-42617 ntfs-3g: ntfs-3g: Privilege escalation via heap-based buffer overflow in ntfs_ir_to_ib() [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
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 extending a directory, e.g., by creating a file.
Bugzilla
CVE-2026-42617 ntfs-3g: ntfs-3g: Privilege escalation via heap-based buffer overflow in ntfs_ir_to_ib() [epel-all]
bugzilla·2026-10-07·CVSS 7.1
CVE-2026-42617 [HIGH] CVE-2026-42617 ntfs-3g: ntfs-3g: Privilege escalation via heap-based buffer overflow in ntfs_ir_to_ib() [epel-all]
CVE-2026-42617 ntfs-3g: ntfs-3g: Privilege escalation via heap-based buffer overflow in ntfs_ir_to_ib() [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
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 extending a directory, e.g., by creating a file.
2026-10-07
Published