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CVE-2026-120454VulnerabilityPublished Updated

Sleuthkit: The Sleuth Kit through 4.15.0 contains a NULL pointer dereference vulnerability in

Affects sleuthkitSource GCVE Database

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Authoritative record:CVE-2026-120454· Medium 6.8

Not known to be exploited · CVSS 6.8 Medium.

Data as of 5 Nov 2026, 12:37 UTC

CVSS 4.0 base score
6.8Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.06.8
CNA (VulnCheck)CVSS 3.15.5
CNACVSS 4.06.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Nov 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 5 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10sleuthkitpkg:deb/ubuntu/sleuthkit?arch=source&distro=stonkingOther threatsAffected
  • =4.12.1+dfsg-3build1
  • =4.14.0+dfsg-1
Fixed in–
Ubuntu 26.04 LTSsleuthkitpkg:deb/ubuntu/sleuthkit?arch=source&distro=resoluteOther threatsAffected
  • =4.12.1+dfsg-3
  • =4.12.1+dfsg-3build1
Fixed in–
Ubuntu 24.04 LTSsleuthkitpkg:deb/ubuntu/sleuthkit?arch=source&distro=nobleOther threatsAffected
  • 4.12.0+dfsg-1 – 4.12.1+dfsg-1.1ubuntu2
4 affected builds
Fixed in–
Ubuntu 22.04 LTSsleuthkitpkg:deb/ubuntu/sleuthkit?arch=source&distro=jammyOther threatsAffected
  • =4.10.1+dfsg-1
  • =4.11.0+dfsg-1
  • =4.11.1+dfsg-1
Fixed in–
Ubuntu 20.04 LTSsleuthkitpkg:deb/ubuntu/sleuthkit?arch=source&distro=focalOther threatsAffected
  • =4.6.5-1
  • =4.6.7-1
  • =4.6.7-1build1
Fixed in–
Ubuntu 18.04 LTSsleuthkitpkg:deb/ubuntu/sleuthkit?arch=source&distro=bionicOther threatsAffected
  • =4.4.2-1
  • =4.4.2-3
Fixed in–

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

AI-suggested

Until a fix is available, avoid processing untrusted or suspicious HFS+ images with The Sleuth Kit.

Description

The Sleuth Kit up to version 4.15.0 contains a NULL pointer dereference vulnerability in the decmpfs_decompress_lzvn_attr() function. This flaw can be triggered by supplying a crafted HFS+ image with a large uncompressed_size in an LZVN inline com.apple.decmpfs attribute, causing a denial of service by crashing the tool.

References

Community reviews

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