{
  "cveId": "CVE-2026-109727",
  "url": "https://patchblox.com/security/cve/CVE-2026-109727",
  "summary": "CVE-2026-109727 is fixed in 8 products on 1 platform, first by DEBIAN-CVE-2026-109727, released October 16, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "thunderbird: Use-after-free in the Audio/Video component",
  "description": "Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.",
  "published": "2026-10-13T12:29:20Z",
  "severity": "medium",
  "cvss": 8.2,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L",
  "epss": 0.00228,
  "epssPercentile": 0.13608,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "MozillaFirefox",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "153.5.0-160000.1.1",
      "fix": "OPENSUSE-SU-2026:22139-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22139-1",
      "released": "2026-11-07T00:47:19Z"
    },
    {
      "platform": "linux",
      "product": "MozillaFirefox",
      "release": "sles 15.6",
      "fixedVersion": "153.5.0-150400.157.16.1",
      "fix": "SUSE-SU-2026:4834-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4834-1",
      "released": "2026-11-07T00:42:08Z"
    },
    {
      "platform": "linux",
      "product": "MozillaFirefox",
      "release": "sles 15.7",
      "fixedVersion": "153.5.0-150400.157.16.1",
      "fix": "SUSE-SU-2026:4834-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4834-1",
      "released": "2026-11-07T00:42:08Z"
    },
    {
      "platform": "linux",
      "product": "MozillaFirefox",
      "release": "sles 16.0",
      "fixedVersion": "153.5.0-160000.1.1",
      "fix": "SUSE-SU-2026:24260-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24260-1",
      "released": "2026-11-07T00:44:01Z"
    },
    {
      "platform": "linux",
      "product": "MozillaThunderbird",
      "release": "sles 15.7",
      "fixedVersion": "153.5.0-150400.13.9.1",
      "fix": "SUSE-SU-2026:4736-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4736-1",
      "released": "2026-11-07T00:43:02Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 10",
      "fixedVersion": "153.5.0-1.el10_2",
      "fix": "RHSA-2026:89758",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-89758",
      "released": "2026-10-31T22:20:28Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 8",
      "fixedVersion": "0:153.5.0-1.el8_10",
      "fix": "RHSA-2026:89756",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-89756",
      "released": "2026-10-31T22:18:57Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 9",
      "fixedVersion": "0:153.5.0-1.el9_8",
      "fix": "RHSA-2026:89757",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-89757",
      "released": "2026-10-31T22:20:28Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "almalinux 10",
      "fixedVersion": "153.5.0-1.el10_2",
      "fix": "ALSA-2026:89758",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-89758",
      "released": "2026-11-07T00:39:57Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "almalinux 8",
      "fixedVersion": "153.5.0-1.el8_10",
      "fix": "ALSA-2026:89756",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-89756",
      "released": "2026-11-07T00:40:18Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "almalinux 9",
      "fixedVersion": "153.5.0-1.el9_8",
      "fix": "ALSA-2026:89757",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-89757",
      "released": "2026-11-07T00:40:32Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "amzn 2023",
      "fixedVersion": "153.5.0-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-3281",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3281",
      "released": "2026-11-07T01:06:07Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "ol 10",
      "fixedVersion": "0:153.5.0-1.0.1.el10_2",
      "fix": "ELSA-2026-89758",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-89758",
      "released": "2026-11-07T00:59:15Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "ol 8",
      "fixedVersion": "0:153.5.0-1.0.1.el8_10",
      "fix": "ELSA-2026-89756",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-89756",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "ol 9",
      "fixedVersion": "0:153.5.0-1.0.1.el9_8",
      "fix": "ELSA-2026-89757",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-89757",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "rocky 10",
      "fixedVersion": "0:153.5.0-1.el10_2",
      "fix": "RLSA-2026:89758",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-89758",
      "released": "2026-11-07T00:39:51Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "rocky 8",
      "fixedVersion": "0:153.5.0-1.el8_10",
      "fix": "RLSA-2026:89756",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-89756",
      "released": "2026-11-07T00:39:51Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "rocky 9",
      "fixedVersion": "0:153.5.0-1.el9_8",
      "fix": "RLSA-2026:89757",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-89757",
      "released": "2026-11-07T00:39:57Z"
    },
    {
      "platform": "linux",
      "product": "firefox-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "153.5.0-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-3281",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3281",
      "released": "2026-11-07T01:06:07Z"
    },
    {
      "platform": "linux",
      "product": "firefox-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "153.5.0-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-3281",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3281",
      "released": "2026-11-07T01:06:07Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "153.5.0esr-1~deb12u1",
      "fix": "DEBIAN-CVE-2026-109727",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-109727",
      "released": "2026-10-16T15:52:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "153.5.0esr-1~deb13u1",
      "fix": "DEBIAN-CVE-2026-109727",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-109727",
      "released": "2026-10-16T15:52:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-esr",
      "release": "Debian 14",
      "fixedVersion": "153.5.0esr-1",
      "fix": "DEBIAN-CVE-2026-109727",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-109727",
      "released": "2026-10-16T15:52:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-x11",
      "release": "RHEL 9",
      "fixedVersion": "0:153.5.0-1.el9_8",
      "fix": "RHSA-2026:89757",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-89757",
      "released": "2026-10-31T22:20:28Z"
    },
    {
      "platform": "linux",
      "product": "firefox-x11",
      "release": "almalinux 9",
      "fixedVersion": "153.5.0-1.el9_8",
      "fix": "ALSA-2026:89757",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-89757",
      "released": "2026-11-07T00:40:32Z"
    },
    {
      "platform": "linux",
      "product": "firefox-x11",
      "release": "ol 9",
      "fixedVersion": "0:153.5.0-1.0.1.el9_8",
      "fix": "ELSA-2026-89757",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-89757",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:153.5.1esr-1~deb12u1",
      "fix": "DEBIAN-CVE-2026-109727",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-109727",
      "released": "2026-10-16T15:52:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:153.5.1esr-1~deb13u1",
      "fix": "DEBIAN-CVE-2026-109727",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-109727",
      "released": "2026-10-16T15:52:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 14",
      "fixedVersion": "1:153.5.0esr-1",
      "fix": "DEBIAN-CVE-2026-109727",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-109727",
      "released": "2026-10-16T15:52:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "RHEL 9",
      "fixedVersion": "0:153.5.0-1.el9_8",
      "fix": "RHSA-2026:93443",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-93443",
      "released": "2026-11-03T19:00:44Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "almalinux 9",
      "fixedVersion": "153.5.0-1.el9_8.alma.1",
      "fix": "ALSA-2026:93443",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-93443",
      "released": "2026-11-07T00:40:32Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "ol 9",
      "fixedVersion": "0:153.5.0-1.0.1.el9_8",
      "fix": "ELSA-2026-93443",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-93443",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "rocky 9",
      "fixedVersion": "0:153.5.0-1.el9_8",
      "fix": "RLSA-2026:93443",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-93443",
      "released": "2026-11-07T00:39:57Z"
    }
  ],
  "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"
  }
}