{
  "cveId": "CVE-2023-28531",
  "url": "https://patchblox.com/security/cve/CVE-2023-28531",
  "summary": "CVE-2023-28531 is fixed in 7 products on 1 platform, first by DEBIAN-CVE-2023-28531, released March 17, 2023. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "openssh: ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints",
  "description": "ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.",
  "published": "2023-03-16T21:15:00Z",
  "severity": "critical",
  "cvss": 9.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.0299,
  "epssPercentile": 0.874,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "openssh",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:9.2p1-2\u002Bdeb12u2",
      "fix": "DEBIAN-CVE-2023-28531",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-28531",
      "released": "2023-03-17T04:15:14Z"
    },
    {
      "platform": "linux",
      "product": "openssh",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:9.3p1-1",
      "fix": "DEBIAN-CVE-2023-28531",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-28531",
      "released": "2023-03-17T04:15:14Z"
    },
    {
      "platform": "linux",
      "product": "openssh",
      "release": "Debian 14",
      "fixedVersion": "1:9.3p1-1",
      "fix": "DEBIAN-CVE-2023-28531",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-28531",
      "released": "2023-03-17T04:15:14Z"
    },
    {
      "platform": "linux",
      "product": "openssh-client",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:8.9p1-3ubuntu0.5",
      "fix": "openssh-client 1:8.9p1-3ubuntu0.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-openssh-client-1-8.9p1-3ubuntu0.5",
      "released": "2023-12-18T07:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-server",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:8.9p1-3ubuntu0.5",
      "fix": "openssh-server 1:8.9p1-3ubuntu0.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-openssh-server-1-8.9p1-3ubuntu0.5",
      "released": "2023-12-18T07:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-sftp-server",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:8.9p1-3ubuntu0.5",
      "fix": "openssh-sftp-server 1:8.9p1-3ubuntu0.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-openssh-sftp-server-1-8.9p1-3ubuntu0.5",
      "released": "2023-12-18T07:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-tests",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:8.9p1-3ubuntu0.5",
      "fix": "openssh-tests 1:8.9p1-3ubuntu0.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-openssh-tests-1-8.9p1-3ubuntu0.5",
      "released": "2023-12-18T07:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ssh",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:8.9p1-3ubuntu0.5",
      "fix": "ssh 1:8.9p1-3ubuntu0.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-ssh-1-8.9p1-3ubuntu0.5",
      "released": "2023-12-18T07:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ssh-askpass-gnome",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:8.9p1-3ubuntu0.5",
      "fix": "ssh-askpass-gnome 1:8.9p1-3ubuntu0.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-ssh-askpass-gnome-1-8.9p1-3ubuntu0.5",
      "released": "2023-12-18T07:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}