UBUNTU-CVE-2018-9838

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    UBUNTU-CVE-2018-9838

    Published: 6 Apr 2018Last Modified: 4 Feb 2026
    Upstream:
    CVE-2018-9838
    Aliases:
    USN-4778-1

    Summary:

    Details: The caml_ba_deserialize function in byterun/bigarray.c in the standard library in OCaml 4.06.0 has an integer overflow which, in situations where marshalled data is accepted from an untrusted source, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted object.

    References: https://ubuntu.com/security/CVE-2018-9838, https://ubuntu.com/security/notices/USN-4778-1, https://www.cve.org/CVERecord?id=CVE-2018-9838

    Affected packages

    Package

    Name: ocaml

    Purl: pkg:deb/ubuntu/[email protected]+esm1?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.01.0-3ubuntu3.1+esm1

    Affected versions

    3.12.1-4ubuntu1

    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