{
  "cveId": "CVE-2023-25136",
  "url": "https://patchblox.com/security/cve/CVE-2023-25136",
  "summary": "CVE-2023-25136 is fixed in 6 products on 1 platform, first by DEBIAN-CVE-2023-25136, released February 3, 2023. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "openssh: OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems",
  "description": "OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.\n\nSecurity Fix(es):\n\n* openssh: the functions order_hostkeyalgs() and list_hostkey_types() leads to double-free vulnerability (CVE-2023-25136)\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.",
  "published": "2023-02-03T06:15:09Z",
  "severity": "Moderate",
  "cvss": 6.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H",
  "epss": 0.89792,
  "epssPercentile": 0.99792,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "openssh",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:9.2p1-1",
      "fix": "DEBIAN-CVE-2023-25136",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-25136",
      "released": "2023-02-03T06:15:09Z"
    },
    {
      "platform": "linux",
      "product": "openssh",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:9.2p1-1",
      "fix": "DEBIAN-CVE-2023-25136",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-25136",
      "released": "2023-02-03T06:15:09Z"
    },
    {
      "platform": "linux",
      "product": "openssh",
      "release": "Debian 14",
      "fixedVersion": "1:9.2p1-1",
      "fix": "DEBIAN-CVE-2023-25136",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-25136",
      "released": "2023-02-03T06:15:09Z"
    },
    {
      "platform": "linux",
      "product": "openssh",
      "release": "RHEL 9",
      "fixedVersion": "0:8.7p1-29.el9_2",
      "fix": "RHSA-2023:2645",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-2645",
      "released": "2023-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh",
      "release": "almalinux 9",
      "fixedVersion": "8.7p1-29.el9_2",
      "fix": "ALSA-2023:2645",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-2645",
      "released": "2023-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh",
      "release": "ol 9",
      "fixedVersion": "0:8.7p1-29.el9_2",
      "fix": "ELSA-2023-2645",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-2645",
      "released": "2023-05-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-askpass",
      "release": "RHEL 9",
      "fixedVersion": "0:8.7p1-29.el9_2",
      "fix": "RHSA-2023:2645",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-2645",
      "released": "2023-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-askpass",
      "release": "almalinux 9",
      "fixedVersion": "8.7p1-29.el9_2",
      "fix": "ALSA-2023:2645",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-2645",
      "released": "2023-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-askpass",
      "release": "ol 9",
      "fixedVersion": "0:8.7p1-29.el9_2",
      "fix": "ELSA-2023-2645",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-2645",
      "released": "2023-05-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-clients",
      "release": "RHEL 9",
      "fixedVersion": "0:8.7p1-29.el9_2",
      "fix": "RHSA-2023:2645",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-2645",
      "released": "2023-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-clients",
      "release": "almalinux 9",
      "fixedVersion": "8.7p1-29.el9_2",
      "fix": "ALSA-2023:2645",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-2645",
      "released": "2023-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-clients",
      "release": "ol 9",
      "fixedVersion": "0:8.7p1-29.el9_2",
      "fix": "ELSA-2023-2645",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-2645",
      "released": "2023-05-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-keycat",
      "release": "RHEL 9",
      "fixedVersion": "0:8.7p1-29.el9_2",
      "fix": "RHSA-2023:2645",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-2645",
      "released": "2023-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-keycat",
      "release": "almalinux 9",
      "fixedVersion": "8.7p1-29.el9_2",
      "fix": "ALSA-2023:2645",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-2645",
      "released": "2023-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-keycat",
      "release": "ol 9",
      "fixedVersion": "0:8.7p1-29.el9_2",
      "fix": "ELSA-2023-2645",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-2645",
      "released": "2023-05-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-server",
      "release": "RHEL 9",
      "fixedVersion": "0:8.7p1-29.el9_2",
      "fix": "RHSA-2023:2645",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-2645",
      "released": "2023-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-server",
      "release": "almalinux 9",
      "fixedVersion": "8.7p1-29.el9_2",
      "fix": "ALSA-2023:2645",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-2645",
      "released": "2023-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssh-server",
      "release": "ol 9",
      "fixedVersion": "0:8.7p1-29.el9_2",
      "fix": "ELSA-2023-2645",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-2645",
      "released": "2023-05-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "pam_ssh_agent_auth",
      "release": "RHEL 9",
      "fixedVersion": "0:0.10.4-5.29.el9_2",
      "fix": "RHSA-2023:2645",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-2645",
      "released": "2023-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "pam_ssh_agent_auth",
      "release": "almalinux 9",
      "fixedVersion": "0.10.4-5.29.el9_2",
      "fix": "ALSA-2023:2645",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-2645",
      "released": "2023-05-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "pam_ssh_agent_auth",
      "release": "ol 9",
      "fixedVersion": "0:0.10.4-5.29.el9_2",
      "fix": "ELSA-2023-2645",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-2645",
      "released": "2023-05-17T00:00:00Z"
    }
  ],
  "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"
  }
}