USN-6121-1

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    USN-6121-1

    Published: 30 May 2023Last Modified: 22 Apr 2026

    Summary: nanopb vulnerabilities

    Details: It was discovered that Nanopb incorrectly handled certain decode messages. An attacker could possibly use this cause a denial of service or expose sensitive information. (CVE-2020-26243) It was discovered that Nanopb incorrectly handled certain decode messages. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2021-21401)

    References: https://ubuntu.com/security/notices/USN-6121-1, https://ubuntu.com/security/CVE-2020-26243, https://ubuntu.com/security/CVE-2021-21401

    Affected packages

    Package

    Name: nanopb

    Purl: pkg:deb/ubuntu/[email protected]~esm1?arch=source&distro=esm-apps/focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.4.1-1ubuntu0.1~esm1

    Affected versions

    0.4.1-1

    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
    USN-6121-1 | CVE-DB