CVE-2026-120453

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    CVE-2026-120453

    Published: 2 Nov 2026Last Modified: 4 Nov 2026

    Summary: The Sleuth Kit through 4.15.0 Heap Out-of-Bounds Read via HFS+ decmpfs Header

    Details: 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.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/120xxx/CVE-2026-120453.json, https://github.com/sleuthkit/sleuthkit/releases/tag/sleuthkit-4.15.0, https://nvd.nist.gov/vuln/detail/CVE-2026-120453, https://www.vulncheck.com/advisories/the-sleuth-kit-through-4.15.0-heap-out-of-bounds-read-via-hfs-decmpfs-header, https://github.com/sleuthkit/sleuthkit/issues/3583, https://github.com/sleuthkit/sleuthkit, https://github.com/sleuthkit/sleuthkit/blob/sleuthkit-4.15.0/tsk/fs/hfs.c#L4249-L4318, https://hackmd.io/@haindpwn/sleuthkit-hfs-decmpfs-attr-oob-read

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -01de0345edaa1ebf21dba6939a7c6bc7129e6e7d

    Affected versions

    ct-3.15.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-120453 | CVE-DB