{
  "cveId": "CVE-2026-76886",
  "url": "https://patchblox.com/security/cve/CVE-2026-76886",
  "summary": "CVE-2026-76886 is fixed in 5 products on 1 platform, first by DEBIAN-CVE-2026-76886, released August 28, 2026. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "wireshark: C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service",
  "description": "C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service",
  "published": "2026-08-19T22:35:24Z",
  "severity": "critical",
  "cvss": 9.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00382,
  "epssPercentile": 0.32455,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "4.4.18-0\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-76886",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-76886",
      "released": "2026-08-28T00:36:15Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "Debian 14",
      "fixedVersion": "4.6.9-1",
      "fix": "DEBIAN-CVE-2026-76886",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-76886",
      "released": "2026-08-28T00:36:15Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "RHEL 10",
      "fixedVersion": "4.4.2-10.el10_2.8",
      "fix": "RHSA-2026:84721",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-84721",
      "released": "2026-10-19T16:29:54Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "RHEL 8",
      "fixedVersion": "1:2.6.2-21.el8_10",
      "fix": "RHSA-2026:83657",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-83657",
      "released": "2026-10-16T15:52:41Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "RHEL 9",
      "fixedVersion": "1:3.4.10-9.el9_8.5",
      "fix": "RHSA-2026:83546",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-83546",
      "released": "2026-10-16T15:54:38Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "almalinux 10",
      "fixedVersion": "1:4.4.2-10.el10_2.8",
      "fix": "ALSA-2026:84721",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-84721",
      "released": "2026-11-07T00:40:04Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "almalinux 8",
      "fixedVersion": "1:2.6.2-21.el8_10",
      "fix": "ALSA-2026:83657",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-83657",
      "released": "2026-11-07T00:40:18Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "almalinux 9",
      "fixedVersion": "1:3.4.10-9.el9_8.5",
      "fix": "ALSA-2026:83546",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-83546",
      "released": "2026-11-07T00:41:11Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "ol 10",
      "fixedVersion": "1:4.4.2-10.0.1.el10_2.8",
      "fix": "ELSA-2026-84721",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-84721",
      "released": "2026-11-07T00:59:15Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "ol 8",
      "fixedVersion": "1:2.6.2-21.el8_10",
      "fix": "ELSA-2026-83657",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-83657",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "ol 9",
      "fixedVersion": "1:3.4.10-9.el9_8.5",
      "fix": "ELSA-2026-83546",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-83546",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "4.4.18-160000.1.1",
      "fix": "OPENSUSE-SU-2026:22014-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22014-1",
      "released": "2026-10-02T17:37:57Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "rocky 10",
      "fixedVersion": "1:4.4.2-10.el10_2.8",
      "fix": "RLSA-2026:84721",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-84721",
      "released": "2026-11-07T00:39:51Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "rocky 8",
      "fixedVersion": "1:2.6.2-21.el8_10",
      "fix": "RLSA-2026:83657",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-83657",
      "released": "2026-11-07T00:39:57Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "rocky 9",
      "fixedVersion": "1:3.4.10-9.el9_8.5",
      "fix": "RLSA-2026:83546",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-83546",
      "released": "2026-11-07T00:39:57Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "sles 15.7",
      "fixedVersion": "4.6.8-150700.21.14.1",
      "fix": "SUSE-SU-2026:4379-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4379-1",
      "released": "2026-09-28T15:17:52Z"
    },
    {
      "platform": "linux",
      "product": "wireshark",
      "release": "sles 16.0",
      "fixedVersion": "4.4.18-160000.1.1",
      "fix": "SUSE-SU-2026:24013-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24013-1",
      "released": "2026-10-02T16:41:07Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-cli",
      "release": "RHEL 8",
      "fixedVersion": "1:2.6.2-21.el8_10",
      "fix": "RHSA-2026:83657",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-83657",
      "released": "2026-10-16T15:52:41Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-cli",
      "release": "RHEL 9",
      "fixedVersion": "1:3.4.10-9.el9_8.5",
      "fix": "RHSA-2026:83546",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-83546",
      "released": "2026-10-16T15:54:38Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-cli",
      "release": "almalinux 10",
      "fixedVersion": "1:4.4.2-10.el10_2.8",
      "fix": "ALSA-2026:84721",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-84721",
      "released": "2026-11-07T00:40:04Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-cli",
      "release": "almalinux 8",
      "fixedVersion": "1:2.6.2-21.el8_10",
      "fix": "ALSA-2026:83657",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-83657",
      "released": "2026-11-07T00:40:18Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-cli",
      "release": "almalinux 9",
      "fixedVersion": "1:3.4.10-9.el9_8.5",
      "fix": "ALSA-2026:83546",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-83546",
      "released": "2026-11-07T00:41:11Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-cli",
      "release": "amzn 2023",
      "fixedVersion": "1:4.6.8-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-2117",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2117",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-cli",
      "release": "ol 10",
      "fixedVersion": "1:4.4.2-10.0.1.el10_2.8",
      "fix": "ELSA-2026-84721",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-84721",
      "released": "2026-11-07T00:59:15Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-cli",
      "release": "ol 8",
      "fixedVersion": "1:2.6.2-21.el8_10",
      "fix": "ELSA-2026-83657",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-83657",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-cli",
      "release": "ol 9",
      "fixedVersion": "1:3.4.10-9.el9_8.5",
      "fix": "ELSA-2026-83546",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-83546",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-cli-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:4.6.8-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-2117",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2117",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1:4.6.8-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-2117",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2117",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-devel",
      "release": "RHEL 8",
      "fixedVersion": "1:2.6.2-21.el8_10",
      "fix": "RHSA-2026:83657",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-83657",
      "released": "2026-10-16T15:52:41Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-devel",
      "release": "RHEL 9",
      "fixedVersion": "1:3.4.10-9.el9_8.5",
      "fix": "RHSA-2026:83546",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-83546",
      "released": "2026-10-16T15:54:38Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-devel",
      "release": "almalinux 10",
      "fixedVersion": "1:4.4.2-10.el10_2.8",
      "fix": "ALSA-2026:84721",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-84721",
      "released": "2026-11-07T00:40:04Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-devel",
      "release": "almalinux 8",
      "fixedVersion": "1:2.6.2-21.el8_10",
      "fix": "ALSA-2026:83657",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-83657",
      "released": "2026-11-07T00:40:18Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-devel",
      "release": "almalinux 9",
      "fixedVersion": "1:3.4.10-9.el9_8.5",
      "fix": "ALSA-2026:83546",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-83546",
      "released": "2026-11-07T00:41:11Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-devel",
      "release": "amzn 2023",
      "fixedVersion": "1:4.6.8-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-2117",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2117",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-devel",
      "release": "ol 10",
      "fixedVersion": "1:4.4.2-10.0.1.el10_2.8",
      "fix": "ELSA-2026-84721",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-84721",
      "released": "2026-11-07T00:59:15Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-devel",
      "release": "ol 8",
      "fixedVersion": "1:2.6.2-21.el8_10",
      "fix": "ELSA-2026-83657",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-83657",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "wireshark-devel",
      "release": "ol 9",
      "fixedVersion": "1:3.4.10-9.el9_8.5",
      "fix": "ELSA-2026-83546",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-83546",
      "released": "2026-11-07T00:52:27Z"
    }
  ],
  "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"
  }
}