CVE-2026-120453
lowThe Sleuth Kit through 4.15.0 contains a heap out-of-bounds read vulnerability in hfs_load_extended_attrs() in tsk/fs/hfs.c that reads the decmpfs header witho…
The Sleuth Kit through 4.15.0 contains a heap out-of-bounds read vulnerability in hfs_load_extended_attrs() in tsk/fs/hfs.c that reads the decmpfs header without checking attribute length. Attackers can supply a crafted HFS+ image with a com.apple.decmpfs attr_size of 1 to 15 to read past the allocation and crash analysis tools like istat or icat.
CVSS
3.3
3.3 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-11-02 15:17
Modified: 2026-11-02 19:34
NVD status: Awaiting Analysis
Last synced 1 day ago
Verified against the source API 2026-11-03 07:35 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/sleuthkit/sleuthkit/blob/sleuthkit-4.15.0/tsk/fs/hfs.c#L4249-L4318 disclosure@vulncheck.com
- https://github.com/sleuthkit/sleuthkit/issues/3583 disclosure@vulncheck.com
- https://github.com/sleuthkit/sleuthkit/releases/tag/sleuthkit-4.15.0 disclosure@vulncheck.com
- https://hackmd.io/@haindpwn/sleuthkit-hfs-decmpfs-attr-oob-read disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/the-sleuth-kit-through-4.15.0-heap-out-of-bounds-read... disclosure@vulncheck.com
- https://hackmd.io/@haindpwn/sleuthkit-hfs-decmpfs-attr-oob-read 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 07:35 UTC · record ↗

