CVE Feed

    Dashboard / CVE / CVE-2019-20792

    CVE-2019-20792

    OpenSC before 0.20.0 has a double free in coolkey_free_private_data because coolkey_add_object in libopensc/card-coolkey.c lacks a uniqueness check.

    Published:Jan 4, 2020
    Last Modified:Nov 21, 2024
    EPS:Apr 29, 2020
    EPSS Score:0.00165
    CVSS Score:6.8

    Affected Products

    Vendor
    Opensc Project
    Product
    Opensc
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19208https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19208

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-40528 (CVSS 1) — OpenSC before 0.27.0, fixed in commit 0358817, contains a stack and heap buffer overrun vulnerability in the d…
    CVE-2026-40510 (CVSS 1) — OpenSC before 0.27.0-rc1, fixed in commit 3f24f0b, contains a stack buffer overflow vulnerability in piv_proce…
    CVE-2025-66215 (CVSS 3.8) — OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical a…
    CVE-2025-66038 (CVSS 3.9) — OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, sc_compacttlv_find_tag sear…
    CVE-2025-66037 (CVSS 3.9) — OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, feeding a crafted input to …
    CVE-2025-49010 (CVSS 3.8) — OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical a…
    CVE-2025-24531 (CVSS 6.7) — In OpenSC pam_pkcs11 before 0.6.13, pam_sm_authenticate() wrongly returns PAM_IGNORE in many error situations …
    CVE-2024-8443 (CVSS 2.9) — A heap-based buffer overflow vulnerability was found in the libopensc OpenPGP driver. A crafted USB device or …
    CVE-2024-45617 (CVSS 3.9) — A vulnerability was found in OpenSC, OpenSC tools, PKCS#11 module, minidriver, and CTK. An attacker could use …
    CVE-2024-45619 (CVSS 4.3) — A vulnerability was found in OpenSC, OpenSC tools, PKCS#11 module, minidriver, and CTK. An attacker could use …

    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