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CVE-2026-42616VulnerabilityPublished Updated

SUSE ntfs-3g · Security update for ntfs-3g_ntfsprogs

Affects SUSE ntfs-3gSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-42616· High 7.8

Not known to be exploited · CVSS 7.8 High · fixed in Ubuntu package updates : patch the Ubuntu ntfs-3g package soon.

Data as of 31 Oct 2026, 20:20 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1:2021.8.22-3ubuntu1.4, 1:2022.10.3-1.2ubuntu3.2, 1:2022.10.3-5ubuntu1.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 31 Oct 2026.

What to do

Upgrade the Ubuntu ntfs-3g to 1:2021.8.22-3ubuntu1.4 (package) or 1:2022.10.3-1.2ubuntu3.2 (package) or 1:2022.10.3-5ubuntu1.1 (package).

Affected software

ProductAffectedFixed in
Ubuntu 26.04 LTSntfs-3gpkg:deb/ubuntu/ntfs-3g?arch=source&distro=resoluteOther threatsAffected
  • <1:2022.10.3-5ubuntu1.1
Fixed in
  • 1:2022.10.3-5ubuntu1.1
Ubuntu 24.04 LTSntfs-3gpkg:deb/ubuntu/ntfs-3g?arch=source&distro=nobleOther threatsAffected
  • <1:2022.10.3-1.2ubuntu3.2
  • =1:2022.10.3-1ubuntu1
Fixed in
  • 1:2022.10.3-1.2ubuntu3.2
Ubuntu 22.04 LTSntfs-3gpkg:deb/ubuntu/ntfs-3g?arch=source&distro=jammyOther threatsAffected
  • <1:2021.8.22-3ubuntu1.4
Fixed in
  • 1:2021.8.22-3ubuntu1.4
Ubuntu 20.04 LTSntfs-3gpkg:deb/ubuntu/ntfs-3g?arch=source&distro=focalOther threatsAffected
  • 1:2017.3.23AR.3-3ubuntu1 – 1:2017.3.23AR.3-3ubuntu1.3
4 affected builds
Fixed in–
Ubuntu 18.04 LTSntfs-3gpkg:deb/ubuntu/ntfs-3g?arch=source&distro=bionicOther threatsAffected
  • 1:2016.2.22AR.2-2 – 1:2017.3.23-2ubuntu0.18.04.5
7 affected builds
Fixed in–
Ubuntu Pro 16.04 LTSntfs-3gpkg:deb/ubuntu/ntfs-3g?arch=source&distro=esm-infra/xenialOther threatsAffected
  • 1:2014.2.15AR.3-3 – 1:2015.3.14AR.1-1ubuntu0.3+esm4
10 affected builds
Fixed in–

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

Description

This update for ntfs-3g_ntfsprogs fixes the following issues: - CVE-2026-42616: heap buffer overflow in `cat()` of `cat.c` can lead to heap corruption in the ntfscat binary via a specially crafted NTFS image (bsc#1271102). - CVE-2026-42617: heap buffer overflow in `ntfs_ir_to_ib()` of `index.c` can lead to heap corruption in the SUID-root ntfs-3g binary via a specially crafted NTFS image (bsc#1271103). - CVE-2026-42618: heap buffer overflow in `ntfs_decompress()` of `compress.c` can lead to heap corruption in the SUID-root ntfs-3g binary via a specially crafted NTFS image (bsc#1271104). - CVE-2026-46569: heap buffer overflow in `ntfs_ib_copy_tail()` of `libntfs-3g/index.c`can lead to heap corruption in the SUID-root ntfs-3g binary via a specially crafted NTFS image (bsc#1271105). - CVE-2026-46570: heap buffer overflow in `ntfs_index_walk_down()` of `libntfs-3g/index.c` can lead to heap corruption in the SUID-root ntfs-3g binary via a specially crafted NTFS image (bsc#1271106). - CVE-2026-46571: out-of-bounds read in `ntfs_fix_file_name()` of `libntfs-3g/reparse.c` can lead to disclosure of confidential information from the ntfs-3g process memory when handling a specially crafted NTFS image (bsc#1271107). - CVE-2026-46572: heap buffer overflow in `ntfs_ib_cut_tail()` of `libntfs-3g/index.c` can lead to heap corruption in the SUID-root ntfs-3g binary via a specially crafted NTFS image (bsc#1271108). - CVE-2026-56135: heap-based buffer overflow in `build_inherited_id()` of `libntfs-3g/security.c` can lead to heap corruption in the SUID-root ntfs-3g binary via a specially crafted NTFS image (bsc#1271109). - CVE-2026-56136: out-of-bounds read in `ntfs_ir_nill()` of `libntfs-3g/index.c` can lead to disclosure of confidential information from the ntfs-3g process memory when handling a specially crafted NTFS image (bsc#1271110).

References

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