UBUNTU-CVE-2026-120453

    Dashboard / Vulnerabilities / UBUNTU-CVE-2026-120453

    UBUNTU-CVE-2026-120453

    Published: 2 Nov 2026Last Modified: 5 Nov 2026
    Upstream:
    CVE-2026-120453

    Summary:

    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://ubuntu.com/security/CVE-2026-120453, https://www.cve.org/CVERecord?id=CVE-2026-120453, https://github.com/sleuthkit/sleuthkit/blob/sleuthkit-4.15.0/tsk/fs/hfs.c#L4249-L4318, https://github.com/sleuthkit/sleuthkit/issues/3583, https://github.com/sleuthkit/sleuthkit/releases/tag/sleuthkit-4.15.0, https://hackmd.io/@haindpwn/sleuthkit-hfs-decmpfs-attr-oob-read, https://www.vulncheck.com/advisories/the-sleuth-kit-through-4.15.0-heap-out-of-bounds-read-via-hfs-decmpfs-header

    Affected packages

    Package

    Name: sleuthkit

    Purl: pkg:deb/ubuntu/sleuthkit?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.2.3-2ubuntu1
    3.2.3-2ubuntu2
    3.2.3-2.1
    3.2.3-2.2
    3.2.3-2.2ubuntu0.1~esm1

    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
    UBUNTU-CVE-2026-120453 | CVE-DB