UBUNTU-CVE-2021-46828

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    UBUNTU-CVE-2021-46828

    Published: 20 Jul 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-46828
    Aliases:
    USN-5538-1

    Summary:

    Details: In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This can, in turn, lead to an svc_run infinite loop without accepting new connections.

    References: https://ubuntu.com/security/CVE-2021-46828, https://ubuntu.com/security/notices/USN-5538-1, https://www.cve.org/CVERecord?id=CVE-2021-46828

    Affected packages

    Package

    Name: ntirpc

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.3.1-1

    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-2021-46828 | CVE-DB