UBUNTU-CVE-2020-23911

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    UBUNTU-CVE-2020-23911

    Published: 18 Jul 2023Last Modified: 20 May 2026
    Upstream:
    CVE-2020-23911

    Summary:

    Details: An issue was discovered in asn1c through v0.9.28. A NULL pointer dereference exists in the function _default_error_logger() located in asn1fix.c. It allows an attacker to cause Denial of Service.

    References: https://ubuntu.com/security/CVE-2020-23911, https://github.com/vlm/asn1c/issues/394, https://www.cve.org/CVERecord?id=CVE-2020-23911

    Affected packages

    Package

    Name: asn1c

    Purl: pkg:deb/ubuntu/asn1c?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    0.9.24+dfsg-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-2020-23911 | CVE-DB