CVE-2026-40026

Sleuth Kit ISO9660 SUSP Extension Reference Out-of-Bounds Read

HIGH
7.1
CVSS Score
Published: April 8, 2026 at 09:35 PM UTC
Updated: October 1, 2026 at 07:19 PM UTC
1 product affected across 1 vendorThe Sleuth Kit

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Severity
HIGH7.1
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

The Sleuth Kit through 4.14.0 contains an out-of-bounds read vulnerability in the ISO9660 filesystem parser where the parse_susp() function trusts len_id, len_des, and len_src fields from the disk image to memcpy data into a stack buffer without verifying that the source data falls within the parsed SUSP block. An attacker can craft a malicious ISO image that causes reads past the end of the SUSP data buffer, and a zero-length SUSP entry can trigger an infinite parsing loop.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 4.14.0v < 4.14.0
Affected range stops below 4.14.0, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in a95b0ac21733b059a517aaefa667a17e1bcbdee1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125

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