{
  "cveId": "CVE-2021-3497",
  "url": "https://patchblox.com/security/cve/CVE-2021-3497",
  "summary": "CVE-2021-3497 is fixed in 7 products on 1 platform, first by gstreamer1.0-gtk3 1.14.5-0ubuntu1~18.04.2, released April 19, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "gstreamer1-plugins-good: GStreamer is a streaming media framework based on graphs of filters that operate on media data",
  "description": "GStreamer is a streaming media framework based on graphs of filters that operate on media data. The gstreamer1-plugins-good packages contain a collection of well-supported plug-ins of good quality and under the LGPL license.\n\nSecurity Fix(es):\n\n* gstreamer-plugins-good: Use-after-free in matroska demuxing (CVE-2021-3497)\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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.7 Release Notes linked from the References section.",
  "published": "2021-04-19T14:15:00Z",
  "severity": "Moderate",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.01219,
  "epssPercentile": 0.68823,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "gstreamer1-plugins-good",
      "release": "RHEL 8",
      "fixedVersion": "0:1.16.1-3.el8",
      "fix": "RHSA-2022:7618",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-7618",
      "released": "2022-11-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1-plugins-good",
      "release": "almalinux 8",
      "fixedVersion": "1.16.1-3.el8",
      "fix": "ALSA-2022:7618",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-7618",
      "released": "2022-11-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1-plugins-good",
      "release": "ol 8",
      "fixedVersion": "0:1.16.1-3.el8",
      "fix": "ELSA-2022-7618",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-7618",
      "released": "2022-11-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1-plugins-good",
      "release": "rocky 8",
      "fixedVersion": "0:1.16.1-3.el8",
      "fix": "RLSA-2022:7618",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-7618",
      "released": "2022-11-08T06:24:50Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1-plugins-good-gtk",
      "release": "RHEL 8",
      "fixedVersion": "0:1.16.1-3.el8",
      "fix": "RHSA-2022:7618",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-7618",
      "released": "2022-11-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1-plugins-good-gtk",
      "release": "almalinux 8",
      "fixedVersion": "1.16.1-3.el8",
      "fix": "ALSA-2022:7618",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-7618",
      "released": "2022-11-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1-plugins-good-gtk",
      "release": "ol 8",
      "fixedVersion": "0:1.16.1-3.el8",
      "fix": "ELSA-2022-7618",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-7618",
      "released": "2022-11-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-gtk3",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.5-0ubuntu1~18.04.2",
      "fix": "gstreamer1.0-gtk3 1.14.5-0ubuntu1~18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-gstreamer1.0-gtk3-1.14.5-0ubuntu1-18.04.2",
      "released": "2021-04-19T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-gtk3",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.16.2-1ubuntu2.1",
      "fix": "gstreamer1.0-gtk3 1.16.2-1ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-gstreamer1.0-gtk3-1.16.2-1ubuntu2.1",
      "released": "2021-04-19T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-plugins-good",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.5-0ubuntu1~18.04.2",
      "fix": "gstreamer1.0-plugins-good 1.14.5-0ubuntu1~18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-gstreamer1.0-plugins-good-1.14.5-0ubuntu1-18.04.2",
      "released": "2021-04-19T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-plugins-good",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.16.2-1ubuntu2.1",
      "fix": "gstreamer1.0-plugins-good 1.16.2-1ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-gstreamer1.0-plugins-good-1.16.2-1ubuntu2.1",
      "released": "2021-04-19T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-pulseaudio",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.5-0ubuntu1~18.04.2",
      "fix": "gstreamer1.0-pulseaudio 1.14.5-0ubuntu1~18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-gstreamer1.0-pulseaudio-1.14.5-0ubuntu1-18.04.2",
      "released": "2021-04-19T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-pulseaudio",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.16.2-1ubuntu2.1",
      "fix": "gstreamer1.0-pulseaudio 1.16.2-1ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-gstreamer1.0-pulseaudio-1.16.2-1ubuntu2.1",
      "released": "2021-04-19T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-qt5",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.5-0ubuntu1~18.04.2",
      "fix": "gstreamer1.0-qt5 1.14.5-0ubuntu1~18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-gstreamer1.0-qt5-1.14.5-0ubuntu1-18.04.2",
      "released": "2021-04-19T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gstreamer1.0-qt5",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.16.2-1ubuntu2.1",
      "fix": "gstreamer1.0-qt5 1.16.2-1ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-gstreamer1.0-qt5-1.16.2-1ubuntu2.1",
      "released": "2021-04-19T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libgstreamer-plugins-good1.0-0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.14.5-0ubuntu1~18.04.2",
      "fix": "libgstreamer-plugins-good1.0-0 1.14.5-0ubuntu1~18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libgstreamer-plugins-good1.0-0-1.14.5-0ubuntu1-18.04.2",
      "released": "2021-04-19T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libgstreamer-plugins-good1.0-0",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.16.2-1ubuntu2.1",
      "fix": "libgstreamer-plugins-good1.0-0 1.16.2-1ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libgstreamer-plugins-good1.0-0-1.16.2-1ubuntu2.1",
      "released": "2021-04-19T14:15:00Z"
    }
  ],
  "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"
  }
}