{
  "cveId": "CVE-2023-2283",
  "url": "https://patchblox.com/security/cve/CVE-2023-2283",
  "summary": "CVE-2023-2283 is fixed in 7 products on 1 platform, first by libssh-4 0.9.3-2ubuntu2.3, released May 8, 2023. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libssh-devel: libssh is a library which implements the SSH protocol",
  "description": "libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.\n\nSecurity Fix(es):\n\n* libssh: NULL pointer dereference during rekeying with algorithm guessing (CVE-2023-1667)\n\n* libssh: authorization bypass in pki_verify_data_signature (CVE-2023-2283)\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": "2023-05-08T17:00:00Z",
  "severity": "Moderate",
  "cvss": 6.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
  "epss": 0.01061,
  "epssPercentile": 0.64782,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libssh",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "0.10.5-1",
      "fix": "DEBIAN-CVE-2023-2283",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-2283",
      "released": "2023-05-26T18:15:13Z"
    },
    {
      "platform": "linux",
      "product": "libssh",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "0.10.5-1",
      "fix": "DEBIAN-CVE-2023-2283",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-2283",
      "released": "2023-05-26T18:15:13Z"
    },
    {
      "platform": "linux",
      "product": "libssh",
      "release": "Debian 14",
      "fixedVersion": "0.10.5-1",
      "fix": "DEBIAN-CVE-2023-2283",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-2283",
      "released": "2023-05-26T18:15:13Z"
    },
    {
      "platform": "linux",
      "product": "libssh",
      "release": "RHEL 8",
      "fixedVersion": "0:0.9.6-10.el8_8",
      "fix": "RHSA-2023:3839",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-3839",
      "released": "2023-06-27T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh",
      "release": "RHEL 9",
      "fixedVersion": "0:0.10.4-11.el9",
      "fix": "RHSA-2023:6643",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6643",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh",
      "release": "almalinux 8",
      "fixedVersion": "0.9.6-10.el8_8",
      "fix": "ALSA-2023:3839",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-3839",
      "released": "2023-06-27T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh",
      "release": "almalinux 9",
      "fixedVersion": "0.10.4-11.el9",
      "fix": "ALSA-2023:6643",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6643",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh",
      "release": "amzn 2023",
      "fixedVersion": "0.10.5-1.amzn2023.0.1",
      "fix": "ALAS2023-2023-186",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-186",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh",
      "release": "ol 8",
      "fixedVersion": "0:0.9.6-10.el8_8",
      "fix": "ELSA-2023-3839",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-3839",
      "released": "2023-06-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh",
      "release": "ol 9",
      "fixedVersion": "0:0.10.4-11.el9",
      "fix": "ELSA-2023-6643",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6643",
      "released": "2023-11-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh",
      "release": "rocky 8",
      "fixedVersion": "0:0.9.6-10.el8_8",
      "fix": "RLSA-2023:3839",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2023-3839",
      "released": "2023-07-08T02:54:11Z"
    },
    {
      "platform": "linux",
      "product": "libssh-4",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "0.9.3-2ubuntu2.3",
      "fix": "libssh-4 0.9.3-2ubuntu2.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libssh-4-0.9.3-2ubuntu2.3",
      "released": "2023-05-08T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-4",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.9.6-2ubuntu0.22.04.1",
      "fix": "libssh-4 0.9.6-2ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libssh-4-0.9.6-2ubuntu0.22.04.1",
      "released": "2023-05-08T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-config",
      "release": "RHEL 8",
      "fixedVersion": "0:0.9.6-10.el8_8",
      "fix": "RHSA-2023:3839",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-3839",
      "released": "2023-06-27T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-config",
      "release": "RHEL 9",
      "fixedVersion": "0:0.10.4-11.el9",
      "fix": "RHSA-2023:6643",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6643",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-config",
      "release": "almalinux 8",
      "fixedVersion": "0.9.6-10.el8_8",
      "fix": "ALSA-2023:3839",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-3839",
      "released": "2023-06-27T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-config",
      "release": "almalinux 9",
      "fixedVersion": "0.10.4-11.el9",
      "fix": "ALSA-2023:6643",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6643",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-config",
      "release": "amzn 2023",
      "fixedVersion": "0.10.5-1.amzn2023.0.1",
      "fix": "ALAS2023-2023-186",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-186",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-config",
      "release": "ol 8",
      "fixedVersion": "0:0.9.6-10.el8_8",
      "fix": "ELSA-2023-3839",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-3839",
      "released": "2023-06-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-config",
      "release": "ol 9",
      "fixedVersion": "0:0.10.4-11.el9",
      "fix": "ELSA-2023-6643",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6643",
      "released": "2023-11-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "0.10.5-1.amzn2023.0.1",
      "fix": "ALAS2023-2023-186",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-186",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "0.10.5-1.amzn2023.0.1",
      "fix": "ALAS2023-2023-186",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-186",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:0.9.6-10.el8_8",
      "fix": "RHSA-2023:3839",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-3839",
      "released": "2023-06-27T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:0.10.4-11.el9",
      "fix": "RHSA-2023:6643",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6643",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-devel",
      "release": "almalinux 8",
      "fixedVersion": "0.9.6-10.el8_8",
      "fix": "ALSA-2023:3839",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-3839",
      "released": "2023-06-27T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-devel",
      "release": "almalinux 9",
      "fixedVersion": "0.10.4-11.el9",
      "fix": "ALSA-2023:6643",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6643",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-devel",
      "release": "amzn 2023",
      "fixedVersion": "0.10.5-1.amzn2023.0.1",
      "fix": "ALAS2023-2023-186",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-186",
      "released": "2023-05-25T17:41:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-devel",
      "release": "ol 8",
      "fixedVersion": "0:0.9.6-10.el8_8",
      "fix": "ELSA-2023-3839",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-3839",
      "released": "2023-06-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-devel",
      "release": "ol 9",
      "fixedVersion": "0:0.10.4-11.el9",
      "fix": "ELSA-2023-6643",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6643",
      "released": "2023-11-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-gcrypt-4",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "0.9.3-2ubuntu2.3",
      "fix": "libssh-gcrypt-4 0.9.3-2ubuntu2.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libssh-gcrypt-4-0.9.3-2ubuntu2.3",
      "released": "2023-05-08T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssh-gcrypt-4",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.9.6-2ubuntu0.22.04.1",
      "fix": "libssh-gcrypt-4 0.9.6-2ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libssh-gcrypt-4-0.9.6-2ubuntu0.22.04.1",
      "released": "2023-05-08T17:00:00Z"
    }
  ],
  "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"
  }
}