USN-5051-3

    Dashboard / Vulnerabilities / USN-5051-3

    USN-5051-3

    Published: 26 Aug 2021Last Modified: 27 Apr 2026

    Summary: openssl1.0 vulnerability

    Details: USN-5051-1 fixed a vulnerability in OpenSSL. This update provides the corresponding update for the openssl1.0 package in Ubuntu 18.04 LTS. Original advisory details: Ingo Schwarze discovered that OpenSSL incorrectly handled certain ASN.1 strings. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2021-3712)

    References: https://ubuntu.com/security/notices/USN-5051-3, https://ubuntu.com/security/CVE-2021-3712

    Affected packages

    Package

    Name: openssl1.0

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.0.2n-1ubuntu5.7

    Affected versions

    1.0.2n-1ubuntu2
    1.0.2n-1ubuntu3
    1.0.2n-1ubuntu4
    1.0.2n-1ubuntu5
    1.0.2n-1ubuntu5.1
    1.0.2n-1ubuntu5.2
    1.0.2n-1ubuntu5.3
    1.0.2n-1ubuntu5.4
    1.0.2n-1ubuntu5.5
    1.0.2n-1ubuntu5.6

    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-5051-3 | CVE-DB