{
  "cveId": "CVE-2019-20503",
  "url": "https://patchblox.com/security/cve/CVE-2019-20503",
  "summary": "CVE-2019-20503 is fixed in 14 products on 1 platform, first by firefox 74.0\u002Bbuild3-0ubuntu0.18.04.1, released March 10, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "xul-ext-lightning: usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.",
  "description": "usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.",
  "published": "2020-03-06T12:15:00Z",
  "severity": "Medium",
  "cvss": 6.5,
  "epss": 0.03141,
  "epssPercentile": 0.87986,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "chromium-browser",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "80.0.3987.149-0ubuntu0.18.04.1",
      "fix": "chromium-browser 80.0.3987.149-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-browser-80.0.3987.149-0ubuntu0.18.04.1",
      "released": "2020-03-23T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-browser-l10n",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "80.0.3987.149-0ubuntu0.18.04.1",
      "fix": "chromium-browser-l10n 80.0.3987.149-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-browser-l10n-80.0.3987.149-0ubuntu0.18.04.1",
      "released": "2020-03-23T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-chromedriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "80.0.3987.149-0ubuntu0.18.04.1",
      "fix": "chromium-chromedriver 80.0.3987.149-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-chromedriver-80.0.3987.149-0ubuntu0.18.04.1",
      "released": "2020-03-23T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-codecs-ffmpeg",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "80.0.3987.149-0ubuntu0.18.04.1",
      "fix": "chromium-codecs-ffmpeg 80.0.3987.149-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-80.0.3987.149-0ubuntu0.18.04.1",
      "released": "2020-03-23T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-codecs-ffmpeg-extra",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "80.0.3987.149-0ubuntu0.18.04.1",
      "fix": "chromium-codecs-ffmpeg-extra 80.0.3987.149-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-extra-80.0.3987.149-0ubuntu0.18.04.1",
      "released": "2020-03-23T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 8",
      "fixedVersion": "0:68.6.0-1.el8_1",
      "fix": "RHSA-2020:0820",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-0820",
      "released": "2020-03-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "74.0\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "firefox 74.0\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-74.0-build3-0ubuntu0.18.04.1",
      "released": "2020-03-10T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "74.0\u002Bbuild3-0ubuntu1",
      "fix": "firefox 74.0\u002Bbuild3-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-74.0-build3-0ubuntu1",
      "released": "2020-03-10T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "74.0\u002Bbuild3-0ubuntu1",
      "fix": "firefox 74.0\u002Bbuild3-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-firefox-74.0-build3-0ubuntu1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "74.0\u002Bbuild3-0ubuntu1",
      "fix": "firefox 74.0\u002Bbuild3-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-firefox-74.0-build3-0ubuntu1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "ol 8",
      "fixedVersion": "0:68.6.0-1.0.1.el8_1",
      "fix": "ELSA-2020-0820",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-0820",
      "released": "2020-03-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "74.0\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "firefox-geckodriver 74.0\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-geckodriver-74.0-build3-0ubuntu0.18.04.1",
      "released": "2020-03-10T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "74.0\u002Bbuild3-0ubuntu1",
      "fix": "firefox-geckodriver 74.0\u002Bbuild3-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-geckodriver-74.0-build3-0ubuntu1",
      "released": "2020-03-10T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "74.0\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "firefox-mozsymbols 74.0\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-74.0-build3-0ubuntu0.18.04.1",
      "released": "2020-03-10T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "74.0\u002Bbuild3-0ubuntu1",
      "fix": "firefox-mozsymbols 74.0\u002Bbuild3-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-mozsymbols-74.0-build3-0ubuntu1",
      "released": "2020-03-10T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "RHEL 8",
      "fixedVersion": "0:68.6.0-1.el8_1",
      "fix": "RHSA-2020:0919",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-0919",
      "released": "2020-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "thunderbird 1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-1-68.7.0-build1-0ubuntu0.18.04.1",
      "released": "2020-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:68.6.0\u002Bbuild2-0ubuntu1",
      "fix": "thunderbird 1:68.6.0\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-thunderbird-1-68.6.0-build2-0ubuntu1",
      "released": "2020-03-10T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "1:68.6.0\u002Bbuild2-0ubuntu1",
      "fix": "thunderbird 1:68.6.0\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-thunderbird-1-68.6.0-build2-0ubuntu1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "1:68.6.0\u002Bbuild2-0ubuntu1",
      "fix": "thunderbird 1:68.6.0\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-thunderbird-1-68.6.0-build2-0ubuntu1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "ol 8",
      "fixedVersion": "0:68.6.0-1.0.1.el8_1",
      "fix": "ELSA-2020-0919",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-0919",
      "released": "2020-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "thunderbird-gnome-support 1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-68.7.0-build1-0ubuntu0.18.04.1",
      "released": "2020-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:68.6.0\u002Bbuild2-0ubuntu1",
      "fix": "thunderbird-gnome-support 1:68.6.0\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-thunderbird-gnome-support-1-68.6.0-build2-0ubuntu1",
      "released": "2020-03-10T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "thunderbird-mozsymbols 1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-68.7.0-build1-0ubuntu0.18.04.1",
      "released": "2020-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:68.6.0\u002Bbuild2-0ubuntu1",
      "fix": "thunderbird-mozsymbols 1:68.6.0\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-thunderbird-mozsymbols-1-68.6.0-build2-0ubuntu1",
      "released": "2020-03-10T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "xul-ext-calendar-timezones 1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-68.7.0-build1-0ubuntu0.18.04.1",
      "released": "2020-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:68.6.0\u002Bbuild2-0ubuntu1",
      "fix": "xul-ext-calendar-timezones 1:68.6.0\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xul-ext-calendar-timezones-1-68.6.0-build2-0ubuntu1",
      "released": "2020-03-10T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "xul-ext-gdata-provider 1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-68.7.0-build1-0ubuntu0.18.04.1",
      "released": "2020-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:68.6.0\u002Bbuild2-0ubuntu1",
      "fix": "xul-ext-gdata-provider 1:68.6.0\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xul-ext-gdata-provider-1-68.6.0-build2-0ubuntu1",
      "released": "2020-03-10T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "xul-ext-lightning 1:68.7.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-lightning-1-68.7.0-build1-0ubuntu0.18.04.1",
      "released": "2020-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:68.6.0\u002Bbuild2-0ubuntu1",
      "fix": "xul-ext-lightning 1:68.6.0\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xul-ext-lightning-1-68.6.0-build2-0ubuntu1",
      "released": "2020-03-10T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}