USN-5009-1

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    USN-5009-1

    Published: 15 Jul 2021Last Modified: 27 Apr 2026

    Summary: libslirp vulnerabilities

    Details: Qiuhao Li discovered that libslirp incorrectly handled certain header data lengths. An attacker inside a guest could possibly use this issue to leak sensitive information from the host. This issue only affected Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2020-29129, CVE-2020-29130) It was discovered that libslirp incorrectly handled certain udp packets. An attacker inside a guest could possibly use this issue to leak sensitive information from the host. (CVE-2021-3592, CVE-2021-3593, CVE-2021-3594, CVE-2021-3595)

    References: https://ubuntu.com/security/notices/USN-5009-1, https://ubuntu.com/security/CVE-2020-29129, https://ubuntu.com/security/CVE-2020-29130, https://ubuntu.com/security/CVE-2021-3592, https://ubuntu.com/security/CVE-2021-3593, https://ubuntu.com/security/CVE-2021-3594, https://ubuntu.com/security/CVE-2021-3595

    Affected packages

    Package

    Name: libslirp

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.1.0-2ubuntu2.2

    Affected versions

    4.0.0-1
    4.0.0-2

    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
    USN-5009-1 | CVE-DB