UBUNTU-CVE-2023-39949

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    UBUNTU-CVE-2023-39949

    Published: 11 Aug 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2023-39949
    Aliases:
    USN-6306-1

    Summary:

    Details: eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.9.1 and 2.6.5, improper validation of sequence numbers may lead to remotely reachable assertion failure. This can remotely crash any Fast-DDS process. Versions 2.9.1 and 2.6.5 contain a patch for this issue.

    References: https://ubuntu.com/security/CVE-2023-39949, https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-3jv9-j9x3-95cg, https://github.com/eProsima/Fast-DDS/issues/3236, https://ubuntu.com/security/notices/USN-6306-1, https://www.cve.org/CVERecord?id=CVE-2023-39949

    Affected packages

    Package

    Name: fastdds

    Purl: pkg:deb/ubuntu/[email protected]+ds-3ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.5.0+ds-3ubuntu0.1~esm1

    Affected versions

    2.1.0+ds-9

    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-2023-39949 | CVE-DB