{
  "cveId": "CVE-2026-78161",
  "url": "https://patchblox.com/security/cve/CVE-2026-78161",
  "summary": "CVE-2026-78161 is fixed in 7 products on 1 platform, first by libwebsockets-evlib-ev 4.3.3-1.1ubuntu0.1~esm2, released August 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libwebsockets: A vulnerability was found in warmcat libwebsockets 4.5.0",
  "description": "A vulnerability was found in warmcat libwebsockets 4.5.0. Impacted is the function report_raw_cbor of the file lib/misc/lecp.c of the component LECP CBOR Recording. The manipulation results in out-of-bounds write. The attack can be launched remotely. The exploit has been made public and could be used. The patch is identified as 1d44554a1bb262db63ff4e240152a9deecd99054. It is best practice to apply a patch to resolve this issue.",
  "published": "2026-08-23T18:16:00Z",
  "severity": "Medium",
  "epss": 0.00405,
  "epssPercentile": 0.35052,
  "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-2026-78161",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-78161",
      "released": "2026-09-01T01:15:59Z"
    },
    {
      "platform": "linux",
      "product": "libwebsockets",
      "release": "Debian 14",
      "fixedVersion": "4.3.5-6",
      "fix": "DEBIAN-CVE-2026-78161",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-78161",
      "released": "2026-09-01T01:15:59Z"
    },
    {
      "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 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 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": "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": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}