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VulnerabilityPublished

CVE-2026-46571: ntfs-3g · Out-of-bounds Read

Affects ntfs-3gSource CVE Database V5

0

Not known to be exploited · CVSS 5.5 Medium : upgrade to 2026.7.7 when convenient.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2026.7.7
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade tuxera/ntfs-3g to 2026.7.7.

Affected software

ProductAffectedFixed in
GitHubtuxera/ntfs-3gpkg:github/tuxera/ntfs-3gOther threatsAffected
  • <2026.7.7
Fixed in
  • 2026.7.7

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A fix is available in NTFS-3G version 2026.7.7 and later. Users and administrators should upgrade to version 2026.7.7 or newer to remediate this vulnerability. No other mitigation or workaround information is provided. Since this is not a cloud service, remediation depends on applying the official patch.

Description

An out-of-bounds read vulnerability exists in NTFS-3G versions before 2026.7.7 in the ntfs_fix_file_name() function. This flaw can be triggered by performing a readlink operation on a specially crafted corrupted NTFS file, potentially allowing an attacker with local privileges to read sensitive information from the process memory of ntfs-3g. The vulnerability has a medium severity rating with a CVSS score of 5.5.

References

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