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Medium · 4.4 CVE-2026-40025 EUVD-2026-20761GHSA-fhjv-wmq6-3c5h

Sleuth Kit APFS Keybag Parser Out-of-Bounds Read

Published Apr 8, 2026 · Updated Nov 8, 2026 · Assigned by VulnCheck

Description

The Sleuth Kit through 4.14.0 contains an out-of-bounds read vulnerability in the APFS filesystem keybag parser where the wrapped_key_parser class follows attacker-controlled length fields without bounds checking, causing heap reads past the allocated buffer. An attacker can craft a malicious APFS disk image that triggers information disclosure or crashes when processed by any Sleuth Kit tool that parses APFS volumes.

Affected products

VendorProductAffectedFixed
sleuthkit sleuthkit ≤ 4.14.0 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 sleuthkit No fix yet —
Debian 13 sleuthkit No fix yet —
Debian 12 sleuthkit No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 sleuthkit No fix yet —
Ubuntu 26.04 LTS sleuthkit No fix yet —
Ubuntu 25.10 sleuthkit No fix yet —
Ubuntu 24.04 LTS sleuthkit No fix yet —
Ubuntu 22.04 LTS sleuthkit No fix yet —
Show 4 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS sleuthkit No fix yet —
Ubuntu 18.04 LTS sleuthkit No fix yet —
Ubuntu Pro 16.04 LTS sleuthkit No fix yet —
Ubuntu Pro 14.04 LTS sleuthkit No fix yet —

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 sleuthkit 4.12.1-2 —

References