USN-5051-4

    Dashboard / Vulnerabilities / USN-5051-4

    USN-5051-4

    Published: 1 Sept 2021Last Modified: 29 Jun 2026

    Summary: openssl regression

    Details: USN-5051-2 introduced a regression in OpenSSL that affected only Ubuntu 14.04 ESM. This update fix the regression. 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-5051-4, https://launchpad.net/bugs/1942357

    Affected packages

    Package

    Name: openssl

    Purl: pkg:deb/ubuntu/openssl?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.0.1f-1ubuntu2.27+esm4

    Affected versions

    1.0.1e-3ubuntu1
    1.0.1e-4ubuntu1
    1.0.1e-4ubuntu2
    1.0.1e-4ubuntu3
    1.0.1e-4ubuntu4
    1.0.1f-1ubuntu1
    1.0.1f-1ubuntu2
    1.0.1f-1ubuntu2.1
    1.0.1f-1ubuntu2.2
    1.0.1f-1ubuntu2.3
    1.0.1f-1ubuntu2.4
    1.0.1f-1ubuntu2.5
    1.0.1f-1ubuntu2.7
    1.0.1f-1ubuntu2.8
    1.0.1f-1ubuntu2.11
    1.0.1f-1ubuntu2.12
    1.0.1f-1ubuntu2.15
    1.0.1f-1ubuntu2.16
    1.0.1f-1ubuntu2.17
    1.0.1f-1ubuntu2.18
    1.0.1f-1ubuntu2.19
    1.0.1f-1ubuntu2.20
    1.0.1f-1ubuntu2.21
    1.0.1f-1ubuntu2.22
    1.0.1f-1ubuntu2.23
    1.0.1f-1ubuntu2.24
    1.0.1f-1ubuntu2.25
    1.0.1f-1ubuntu2.26
    1.0.1f-1ubuntu2.27
    1.0.1f-1ubuntu2.27+esm1
    1.0.1f-1ubuntu2.27+esm2
    1.0.1f-1ubuntu2.27+esm3

    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-5051-4 | CVE-DB