{
  "cveId": "CVE-2026-55869",
  "url": "https://patchblox.com/security/cve/CVE-2026-55869",
  "summary": "CVE-2026-55869 is fixed in 7 products on 1 platform, first by libsrt1 1.4.0-1ubuntu0.1~esm1, released July 21, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "srt vulnerability",
  "description": "[Heap-Based Buffer Overflow in KMREQ Handling]",
  "published": "2026-07-21T06:48:18Z",
  "severity": "Medium",
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libsrt1",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.4.0-1ubuntu0.1~esm1",
      "fix": "libsrt1 1.4.0-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libsrt1-1.4.0-1ubuntu0.1-esm1",
      "released": "2026-07-21T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsrt1.4-gnutls",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.4.4-4ubuntu0.1~esm1",
      "fix": "libsrt1.4-gnutls 1.4.4-4ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libsrt1.4-gnutls-1.4.4-4ubuntu0.1-esm1",
      "released": "2026-07-21T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsrt1.4-openssl",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.4.4-4ubuntu0.1~esm1",
      "fix": "libsrt1.4-openssl 1.4.4-4ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libsrt1.4-openssl-1.4.4-4ubuntu0.1-esm1",
      "released": "2026-07-21T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsrt1.5-gnutls",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.5.3-1ubuntu0.1~esm1",
      "fix": "libsrt1.5-gnutls 1.5.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libsrt1.5-gnutls-1.5.3-1ubuntu0.1-esm1",
      "released": "2026-07-21T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsrt1.5-gnutls",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.5.4-3ubuntu0.1~esm1",
      "fix": "libsrt1.5-gnutls 1.5.4-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libsrt1.5-gnutls-1.5.4-3ubuntu0.1-esm1",
      "released": "2026-07-21T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsrt1.5-openssl",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.5.3-1ubuntu0.1~esm1",
      "fix": "libsrt1.5-openssl 1.5.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libsrt1.5-openssl-1.5.3-1ubuntu0.1-esm1",
      "released": "2026-07-21T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsrt1.5-openssl",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.5.4-3ubuntu0.1~esm1",
      "fix": "libsrt1.5-openssl 1.5.4-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libsrt1.5-openssl-1.5.4-3ubuntu0.1-esm1",
      "released": "2026-07-21T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "srt",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1.5.4-1\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-55869",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-55869",
      "released": "2026-07-23T13:24:19Z"
    },
    {
      "platform": "linux",
      "product": "srt",
      "release": "Debian 14",
      "fixedVersion": "1.5.6-1",
      "fix": "DEBIAN-CVE-2026-55869",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-55869",
      "released": "2026-07-23T13:24:19Z"
    },
    {
      "platform": "linux",
      "product": "srt-tools",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.4.0-1ubuntu0.1~esm1",
      "fix": "srt-tools 1.4.0-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-srt-tools-1.4.0-1ubuntu0.1-esm1",
      "released": "2026-07-21T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "srt-tools",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.4.4-4ubuntu0.1~esm1",
      "fix": "srt-tools 1.4.4-4ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-srt-tools-1.4.4-4ubuntu0.1-esm1",
      "released": "2026-07-21T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "srt-tools",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.5.3-1ubuntu0.1~esm1",
      "fix": "srt-tools 1.5.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-srt-tools-1.5.3-1ubuntu0.1-esm1",
      "released": "2026-07-21T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "srt-tools",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.5.4-3ubuntu0.1~esm1",
      "fix": "srt-tools 1.5.4-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-srt-tools-1.5.4-3ubuntu0.1-esm1",
      "released": "2026-07-21T17:00:00Z"
    }
  ],
  "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"
  }
}