RLSA-2021:1600

    Dashboard / Vulnerabilities / RLSA-2021:1600

    RLSA-2021:1600

    Published: 18 May 2021Last Modified: 4 Feb 2026

    Summary: Moderate: opensc security, bug fix, and enhancement update

    Details: The OpenSC set of libraries and utilities provides support for working with smart cards. OpenSC focuses on cards that support cryptographic operations and enables their use for authentication, mail encryption, or digital signatures. Security Fix(es): * opensc: heap-based buffer overflow in sc_oberthur_read_file (CVE-2020-26570) * opensc: stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init (CVE-2020-26571) * opensc: stack-based buffer overflow in tcos_decipher (CVE-2020-26572) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Rocky Linux 8.4 Release Notes linked from the References section.

    Affected packages

    Package

    Name: opensc

    Purl: pkg:rpm/rocky-linux/opensc?distro=rocky-linux-8&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:0.20.0-4.el8

    Affected versions

    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
    RLSA-2021:1600 | CVE-DB