{
  "cveId": "CVE-2026-10650",
  "url": "https://patchblox.com/security/cve/CVE-2026-10650",
  "summary": "CVE-2026-10650 is fixed in 12 products on 1 platform, first by libwebsockets-test-server 3.2.1-3ubuntu0.1~esm2, released June 2, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libwebsockets: A flaw has been found in warmcat libwebsockets up to 4.5.8",
  "description": "A flaw has been found in warmcat libwebsockets up to 4.5.8. This issue affects the function lws_ssh_parse_plaintext of the file plugins/protocol_lws_ssh_base/sshd.c of the component SSH Protocol Handler. Executing a manipulation of the argument msg_len can lead to resource consumption. The attack may be launched remotely. The exploit has been published and may be used. This patch is called 3f9f0c6ecaf0e6f3f219d30632c5d1f2479d7498. A patch should be applied to remediate this issue.",
  "published": "2026-06-02T15:16:00Z",
  "severity": "Medium",
  "epss": 0.00429,
  "epssPercentile": 0.37376,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libwebsockets",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "4.3.5-1\u002Bdeb13u2",
      "fix": "DEBIAN-CVE-2026-10650",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-10650",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets",
      "release": "Debian 14",
      "fixedVersion": "4.3.5-5",
      "fix": "DEBIAN-CVE-2026-10650",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-10650",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets",
      "release": "Fedora 43",
      "fixedVersion": "4.5.8-2.fc43",
      "fix": "FEDORA-2026-59FDEF3E5F",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-59fdef3e5f",
      "released": "2026-07-18T15:28:28Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "4.5.8-2.fc43",
      "fix": "FEDORA-2026-59FDEF3E5F",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-59fdef3e5f",
      "released": "2026-07-18T15:28:28Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-debugsource",
      "release": "Fedora 43",
      "fixedVersion": "4.5.8-2.fc43",
      "fix": "FEDORA-2026-59FDEF3E5F",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-59fdef3e5f",
      "released": "2026-07-18T15:28:28Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-devel",
      "release": "Fedora 43",
      "fixedVersion": "4.5.8-2.fc43",
      "fix": "FEDORA-2026-59FDEF3E5F",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-59fdef3e5f",
      "released": "2026-07-18T15:28:28Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-evlib-ev",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "4.3.3-1.1ubuntu0.1~esm2",
      "fix": "libwebsockets-evlib-ev 4.3.3-1.1ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libwebsockets-evlib-ev-4.3.3-1.1ubuntu0.1-esm2",
      "released": "2026-08-23T18:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-evlib-ev",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "4.3.5-3ubuntu1.1",
      "fix": "libwebsockets-evlib-ev 4.3.5-3ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libwebsockets-evlib-ev-4.3.5-3ubuntu1.1",
      "released": "2026-08-23T18:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-evlib-glib",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "4.3.3-1.1ubuntu0.1~esm2",
      "fix": "libwebsockets-evlib-glib 4.3.3-1.1ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libwebsockets-evlib-glib-4.3.3-1.1ubuntu0.1-esm2",
      "released": "2026-08-23T18:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-evlib-glib",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "4.3.5-3ubuntu1.1",
      "fix": "libwebsockets-evlib-glib 4.3.5-3ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libwebsockets-evlib-glib-4.3.5-3ubuntu1.1",
      "released": "2026-08-23T18:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-evlib-uv",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "4.3.3-1.1ubuntu0.1~esm2",
      "fix": "libwebsockets-evlib-uv 4.3.3-1.1ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libwebsockets-evlib-uv-4.3.3-1.1ubuntu0.1-esm2",
      "released": "2026-08-23T18:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-evlib-uv",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "4.3.5-3ubuntu1.1",
      "fix": "libwebsockets-evlib-uv 4.3.5-3ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libwebsockets-evlib-uv-4.3.5-3ubuntu1.1",
      "released": "2026-08-23T18:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-test-server",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.1-3ubuntu0.1~esm2",
      "fix": "libwebsockets-test-server 3.2.1-3ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwebsockets-test-server-3.2.1-3ubuntu0.1-esm2",
      "released": "2026-06-02T15:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-test-server",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "4.0.20-2ubuntu1.1\u002Besm1",
      "fix": "libwebsockets-test-server 4.0.20-2ubuntu1.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libwebsockets-test-server-4.0.20-2ubuntu1.1-esm1",
      "released": "2026-06-02T15:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-test-server",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "4.3.3-1.1ubuntu0.1~esm2",
      "fix": "libwebsockets-test-server 4.3.3-1.1ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libwebsockets-test-server-4.3.3-1.1ubuntu0.1-esm2",
      "released": "2026-08-23T18:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-test-server",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "4.3.5-3ubuntu1.1",
      "fix": "libwebsockets-test-server 4.3.5-3ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libwebsockets-test-server-4.3.5-3ubuntu1.1",
      "released": "2026-08-23T18:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-test-server-common",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.1-3ubuntu0.1~esm2",
      "fix": "libwebsockets-test-server-common 3.2.1-3ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwebsockets-test-server-common-3.2.1-3ubuntu0.1-esm2",
      "released": "2026-06-02T15:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-test-server-common",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "4.0.20-2ubuntu1.1\u002Besm1",
      "fix": "libwebsockets-test-server-common 4.0.20-2ubuntu1.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libwebsockets-test-server-common-4.0.20-2ubuntu1.1-esm1",
      "released": "2026-06-02T15:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-test-server-common",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "4.3.3-1.1ubuntu0.1~esm2",
      "fix": "libwebsockets-test-server-common 4.3.3-1.1ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libwebsockets-test-server-common-4.3.3-1.1ubuntu0.1-esm2",
      "released": "2026-08-23T18:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets-test-server-common",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "4.3.5-3ubuntu1.1",
      "fix": "libwebsockets-test-server-common 4.3.5-3ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libwebsockets-test-server-common-4.3.5-3ubuntu1.1",
      "released": "2026-08-23T18:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets15",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.1-3ubuntu0.1~esm2",
      "fix": "libwebsockets15 3.2.1-3ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwebsockets15-3.2.1-3ubuntu0.1-esm2",
      "released": "2026-06-02T15:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets16",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "4.0.20-2ubuntu1.1\u002Besm1",
      "fix": "libwebsockets16 4.0.20-2ubuntu1.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libwebsockets16-4.0.20-2ubuntu1.1-esm1",
      "released": "2026-06-02T15:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets19t64",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "4.3.3-1.1ubuntu0.1~esm2",
      "fix": "libwebsockets19t64 4.3.3-1.1ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libwebsockets19t64-4.3.3-1.1ubuntu0.1-esm2",
      "released": "2026-08-23T18:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets19t64",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "4.3.5-3ubuntu1.1",
      "fix": "libwebsockets19t64 4.3.5-3ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libwebsockets19t64-4.3.5-3ubuntu1.1",
      "released": "2026-08-23T18:16:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}