Out-of-bounds Read in Sleuthkit
CVE-2026-40025
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.
Vulnerability class: Buffer Overflow
EPSS: 0.001 (2.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L.
Affected products
- Sleuthkit — versions 0, 8b9c9e7d493bd68624f3b1a3963edd45c3ff7611
- Sleuthkit The_sleuth_kit
Weakness classification (CWE)
References
- disclosure@vulncheck.com (issue-tracking, product, Issue Tracking)
- disclosure@vulncheck.com (Patch, patch)
- disclosure@vulncheck.com (vendor-advisory, Third Party Advisory)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-40025?
- CVE-2026-40025 is a medium-severity vulnerability in Sleuthkit, classified under Out-of-bounds Read. CVSS score: 4.4/10. Published 2026-04-08.
- How severe is CVE-2026-40025?
- Medium severity. CVSS v3 base score is 4.4 out of 10.