{
  "cveId": "CVE-2026-39043",
  "url": "https://patchblox.com/security/cve/CVE-2026-39043",
  "summary": "CVE-2026-39043 is fixed in 12 products on 1 platform, first by gstreamer1.0-gtk3 1.20.3-0ubuntu1.7, released June 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "gstreamer1.0-gtk3: Heap buffer overflow in Matroska demuxer",
  "description": "Heap buffer overflow in Matroska demuxer",
  "published": "2026-06-16T09:48:22Z",
  "severity": "Medium",
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "gst-plugins-good1.0",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1.22.0-5\u002Bdeb12u4",
      "fix": "DEBIAN-CVE-2026-39043",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-39043",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "gst-plugins-good1.0",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1.26.2-1\u002Bdeb13u2",
      "fix": "DEBIAN-CVE-2026-39043",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-39043",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "gst-plugins-good1.0",
      "release": "Debian 14",
      "fixedVersion": "1.28.2-1",
      "fix": "DEBIAN-CVE-2026-39043",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-39043",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1-plugins-good",
      "release": "amzn 2023",
      "fixedVersion": "1.24.10-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1926",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1926",
      "released": "2026-07-06T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1-plugins-good-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.24.10-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1926",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1926",
      "released": "2026-07-06T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1-plugins-good-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1.24.10-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1926",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1926",
      "released": "2026-07-06T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1-plugins-good-gtk",
      "release": "amzn 2023",
      "fixedVersion": "1.24.10-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1926",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1926",
      "released": "2026-07-06T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1-plugins-good-gtk-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.24.10-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1926",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1926",
      "released": "2026-07-06T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-gtk3",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.20.3-0ubuntu1.7",
      "fix": "gstreamer1.0-gtk3 1.20.3-0ubuntu1.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-gstreamer1.0-gtk3-1.20.3-0ubuntu1.7",
      "released": "2026-06-16T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-gtk3",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.24.2-1ubuntu1.5",
      "fix": "gstreamer1.0-gtk3 1.24.2-1ubuntu1.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-gstreamer1.0-gtk3-1.24.2-1ubuntu1.5",
      "released": "2026-06-16T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-plugins-good",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.20.3-0ubuntu1.7",
      "fix": "gstreamer1.0-plugins-good 1.20.3-0ubuntu1.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-gstreamer1.0-plugins-good-1.20.3-0ubuntu1.7",
      "released": "2026-06-16T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-plugins-good",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.24.2-1ubuntu1.5",
      "fix": "gstreamer1.0-plugins-good 1.24.2-1ubuntu1.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-gstreamer1.0-plugins-good-1.24.2-1ubuntu1.5",
      "released": "2026-06-16T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-pulseaudio",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.20.3-0ubuntu1.7",
      "fix": "gstreamer1.0-pulseaudio 1.20.3-0ubuntu1.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-gstreamer1.0-pulseaudio-1.20.3-0ubuntu1.7",
      "released": "2026-06-16T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-pulseaudio",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.24.2-1ubuntu1.5",
      "fix": "gstreamer1.0-pulseaudio 1.24.2-1ubuntu1.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-gstreamer1.0-pulseaudio-1.24.2-1ubuntu1.5",
      "released": "2026-06-16T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-qt5",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.20.3-0ubuntu1.7",
      "fix": "gstreamer1.0-qt5 1.20.3-0ubuntu1.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-gstreamer1.0-qt5-1.20.3-0ubuntu1.7",
      "released": "2026-06-16T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-qt5",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.24.2-1ubuntu1.5",
      "fix": "gstreamer1.0-qt5 1.24.2-1ubuntu1.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-gstreamer1.0-qt5-1.24.2-1ubuntu1.5",
      "released": "2026-06-16T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-qt6",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.24.2-1ubuntu1.5",
      "fix": "gstreamer1.0-qt6 1.24.2-1ubuntu1.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-gstreamer1.0-qt6-1.24.2-1ubuntu1.5",
      "released": "2026-06-16T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libgstreamer-plugins-good1.0-0",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.20.3-0ubuntu1.7",
      "fix": "libgstreamer-plugins-good1.0-0 1.20.3-0ubuntu1.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libgstreamer-plugins-good1.0-0-1.20.3-0ubuntu1.7",
      "released": "2026-06-16T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libgstreamer-plugins-good1.0-0",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.24.2-1ubuntu1.5",
      "fix": "libgstreamer-plugins-good1.0-0 1.24.2-1ubuntu1.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libgstreamer-plugins-good1.0-0-1.24.2-1ubuntu1.5",
      "released": "2026-06-16T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}