CVE Feed

    Dashboard / CVE / CVE-2021-42782

    CVE-2021-42782

    Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places that could potentially crash programs using the library.

    Published:Feb 19, 2021
    Last Modified:Nov 3, 2025
    EPS:Apr 18, 2022
    EPSS Score:0.00081
    CVSS Score:5.3

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Opensc Project
    Product
    Opensc

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-54231 (CVSS 5.5) — A content injection vulnerability was found in the ABRT post-create event handler scripts in libreport. The ev…
    CVE-2026-54230 (CVSS 7) — A symlink following vulnerability was found in the ABRT post-create event handler scripts in libreport. Event …
    CVE-2026-35094 (CVSS 3.3) — A flaw was found in libinput. An attacker capable of deploying a Lua plugin file in specific system directorie…
    CVE-2026-35093 (CVSS 8.8) — A flaw was found in libinput. A local attacker who can place a specially crafted Lua bytecode file in certain …
    CVE-2024-3056 (CVSS 7.7) — A flaw was found in Podman. This issue may allow an attacker to create a specially crafted container that, whe…
    CVE-2024-6293 (CVSS 8.8) — Use after free in Dawn in Google Chrome prior to 126.0.6478.126 allowed a remote attacker to potentially explo…
    CVE-2024-6292 (CVSS 8.8) — Use after free in Dawn in Google Chrome prior to 126.0.6478.126 allowed a remote attacker to potentially explo…
    CVE-2024-6291 (CVSS 8.8) — Use after free in Swiftshader in Google Chrome prior to 126.0.6478.126 allowed a remote attacker to potentiall…
    CVE-2024-6290 (CVSS 8.8) — Use after free in Dawn in Google Chrome prior to 126.0.6478.126 allowed a remote attacker to potentially explo…
    CVE-2024-38277 (CVSS 5.4) — A unique key should be generated for a user's QR login key and their auto-login key, so the same key cannot be…

    References

    https://bugzilla.redhat.com/show_bug.cgi?id=2016448
    https://github.com/OpenSC/OpenSC/commit/1252aca9
    https://github.com/OpenSC/OpenSC/commit/456ac566
    https://github.com/OpenSC/OpenSC/commit/7114fb71
    https://github.com/OpenSC/OpenSC/commit/78cdab94
    https://github.com/OpenSC/OpenSC/commit/ae1cf0be
    https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
    https://security.gentoo.org/glsa/202209-03
    https://bugzilla.redhat.com/show_bug.cgi?id=2016448
    https://github.com/OpenSC/OpenSC/commit/1252aca9
    https://github.com/OpenSC/OpenSC/commit/456ac566
    https://github.com/OpenSC/OpenSC/commit/7114fb71
    https://github.com/OpenSC/OpenSC/commit/78cdab94
    https://github.com/OpenSC/OpenSC/commit/ae1cf0be
    https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
    https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html
    https://security.gentoo.org/glsa/202209-03

    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