UBUNTU-CVE-2020-26570

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    UBUNTU-CVE-2020-26570

    Published: 6 Oct 2020Last Modified: 4 Feb 2026
    Upstream:
    CVE-2020-26570
    Aliases:
    USN-5281-1

    Summary:

    Details: The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in sc_oberthur_read_file.

    References: https://ubuntu.com/security/CVE-2020-26570, https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24316, https://github.com/OpenSC/OpenSC/commit/6903aebfddc466d966c7b865fae34572bf3ed23e, https://ubuntu.com/security/notices/USN-5281-1, https://www.cve.org/CVERecord?id=CVE-2020-26570

    Affected packages

    Package

    Name: opensc

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.15.0-1ubuntu1+esm1

    Affected versions

    0.15.0-1ubuntu1

    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-2020-26570 | CVE-DB