{
  "cveId": "CVE-2020-26570",
  "url": "https://patchblox.com/security/cve/CVE-2020-26570",
  "summary": "CVE-2020-26570 is fixed in 2 products on 1 platform, first by opensc 0.17.0-3ubuntu0.1~esm1, released October 5, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "opensc: The OpenSC set of libraries and utilities provides support for working with smart cards",
  "description": "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.\n\nSecurity Fix(es):\n\n* opensc: heap-based buffer overflow in sc_oberthur_read_file (CVE-2020-26570)\n\n* opensc: stack-based buffer overflow in sc_pkcs15emu_gemsafeGPK_init (CVE-2020-26571)\n\n* opensc: stack-based buffer overflow in tcos_decipher (CVE-2020-26572)\n\nFor 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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.",
  "published": "2020-10-05T19:15:00Z",
  "severity": "Moderate",
  "cvss": 6.4,
  "epss": 0.00374,
  "epssPercentile": 0.31557,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "opensc",
      "release": "RHEL 8",
      "fixedVersion": "0:0.20.0-4.el8",
      "fix": "RHSA-2021:1600",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1600",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "opensc",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.17.0-3ubuntu0.1~esm1",
      "fix": "opensc 0.17.0-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-opensc-0.17.0-3ubuntu0.1-esm1",
      "released": "2020-10-05T19:15:00Z"
    },
    {
      "platform": "linux",
      "product": "opensc",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "0.20.0-3ubuntu0.1~esm1",
      "fix": "opensc 0.20.0-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-opensc-0.20.0-3ubuntu0.1-esm1",
      "released": "2020-10-05T19:15:00Z"
    },
    {
      "platform": "linux",
      "product": "opensc",
      "release": "ol 8",
      "fixedVersion": "0:0.20.0-4.el8",
      "fix": "ELSA-2021-1600",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1600",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "opensc-pkcs11",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.17.0-3ubuntu0.1~esm1",
      "fix": "opensc-pkcs11 0.17.0-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-opensc-pkcs11-0.17.0-3ubuntu0.1-esm1",
      "released": "2020-10-05T19:15:00Z"
    },
    {
      "platform": "linux",
      "product": "opensc-pkcs11",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "0.20.0-3ubuntu0.1~esm1",
      "fix": "opensc-pkcs11 0.20.0-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-opensc-pkcs11-0.20.0-3ubuntu0.1-esm1",
      "released": "2020-10-05T19:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}