{
  "cveId": "CVE-2022-0934",
  "url": "https://patchblox.com/security/cve/CVE-2022-0934",
  "summary": "CVE-2022-0934 is fixed in 7 products on 1 platform, first by dnsmasq 2.79-1ubuntu0.6, released April 6, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "dnsmasq: The dnsmasq packages contain Dnsmasq, a lightweight DNS (Domain Name Server) forwarder and DHCP (Dynamic Host Configu...",
  "description": "The dnsmasq packages contain Dnsmasq, a lightweight DNS (Domain Name Server) forwarder and DHCP (Dynamic Host Configuration Protocol) server.\n\nSecurity Fix(es):\n\n* dnsmasq: Heap use after free in dhcp6_no_relay (CVE-2022-0934)\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": "2022-04-06T17:00:00Z",
  "severity": "Moderate",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.02644,
  "epssPercentile": 0.85689,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "2.85-1\u002Bdeb11u1",
      "fix": "DLA-3974-1",
      "url": "https://patchblox.com/security/fix/linux/dla-3974-1",
      "released": "2024-11-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.87-1",
      "fix": "DEBIAN-CVE-2022-0934",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-0934",
      "released": "2022-08-29T15:15:10Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.87-1",
      "fix": "DEBIAN-CVE-2022-0934",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-0934",
      "released": "2022-08-29T15:15:10Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Debian 14",
      "fixedVersion": "2.87-1",
      "fix": "DEBIAN-CVE-2022-0934",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-0934",
      "released": "2022-08-29T15:15:10Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "RHEL 8",
      "fixedVersion": "0:2.79-24.el8",
      "fix": "RHSA-2022:7633",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-7633",
      "released": "2022-11-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "RHEL 9",
      "fixedVersion": "0:2.85-5.el9",
      "fix": "RHSA-2022:8070",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-8070",
      "released": "2022-11-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.79-1ubuntu0.6",
      "fix": "dnsmasq 2.79-1ubuntu0.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dnsmasq-2.79-1ubuntu0.6",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.80-1.1ubuntu1.5",
      "fix": "dnsmasq 2.80-1.1ubuntu1.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-dnsmasq-2.80-1.1ubuntu1.5",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.86-1.1ubuntu0.1",
      "fix": "dnsmasq 2.86-1.1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dnsmasq-2.86-1.1ubuntu0.1",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "almalinux 8",
      "fixedVersion": "2.79-24.el8",
      "fix": "ALSA-2022:7633",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-7633",
      "released": "2022-11-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "almalinux 9",
      "fixedVersion": "2.85-5.el9",
      "fix": "ALSA-2022:8070",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-8070",
      "released": "2022-11-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "amzn 2023",
      "fixedVersion": "2.86-10.amzn2023.0.2",
      "fix": "ALAS2023-2023-039",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-039",
      "released": "2023-02-17T20:44:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "ol 8",
      "fixedVersion": "0:2.79-24.el8",
      "fix": "ELSA-2022-7633",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-7633",
      "released": "2022-11-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "ol 9",
      "fixedVersion": "0:2.85-5.el9",
      "fix": "ELSA-2022-8070",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-8070",
      "released": "2022-11-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "rocky 8",
      "fixedVersion": "0:2.79-24.el8",
      "fix": "RLSA-2022:7633",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-7633",
      "released": "2022-11-08T06:25:10Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq",
      "release": "rocky 9",
      "fixedVersion": "0:2.85-5.el9",
      "fix": "RLSA-2022:8070",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-8070",
      "released": "2022-11-15T06:15:01Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.79-1ubuntu0.6",
      "fix": "dnsmasq-base 2.79-1ubuntu0.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dnsmasq-base-2.79-1ubuntu0.6",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.80-1.1ubuntu1.5",
      "fix": "dnsmasq-base 2.80-1.1ubuntu1.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-dnsmasq-base-2.80-1.1ubuntu1.5",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.86-1.1ubuntu0.1",
      "fix": "dnsmasq-base 2.86-1.1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dnsmasq-base-2.86-1.1ubuntu0.1",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base-lua",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.79-1ubuntu0.6",
      "fix": "dnsmasq-base-lua 2.79-1ubuntu0.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dnsmasq-base-lua-2.79-1ubuntu0.6",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base-lua",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.80-1.1ubuntu1.5",
      "fix": "dnsmasq-base-lua 2.80-1.1ubuntu1.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-dnsmasq-base-lua-2.80-1.1ubuntu1.5",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-base-lua",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.86-1.1ubuntu0.1",
      "fix": "dnsmasq-base-lua 2.86-1.1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dnsmasq-base-lua-2.86-1.1ubuntu0.1",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.86-10.amzn2023.0.2",
      "fix": "ALAS2023-2023-039",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-039",
      "released": "2023-02-17T20:44:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "2.86-10.amzn2023.0.2",
      "fix": "ALAS2023-2023-039",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-039",
      "released": "2023-02-17T20:44:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "RHEL 8",
      "fixedVersion": "0:2.79-24.el8",
      "fix": "RHSA-2022:7633",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-7633",
      "released": "2022-11-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "RHEL 9",
      "fixedVersion": "0:2.85-5.el9",
      "fix": "RHSA-2022:8070",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2022-8070",
      "released": "2022-11-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.79-1ubuntu0.6",
      "fix": "dnsmasq-utils 2.79-1ubuntu0.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-dnsmasq-utils-2.79-1ubuntu0.6",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.80-1.1ubuntu1.5",
      "fix": "dnsmasq-utils 2.80-1.1ubuntu1.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-dnsmasq-utils-2.80-1.1ubuntu1.5",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.86-1.1ubuntu0.1",
      "fix": "dnsmasq-utils 2.86-1.1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-dnsmasq-utils-2.86-1.1ubuntu0.1",
      "released": "2022-04-06T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "almalinux 8",
      "fixedVersion": "2.79-24.el8",
      "fix": "ALSA-2022:7633",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-7633",
      "released": "2022-11-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "almalinux 9",
      "fixedVersion": "2.85-5.el9",
      "fix": "ALSA-2022:8070",
      "url": "https://patchblox.com/security/fix/linux/alsa-2022-8070",
      "released": "2022-11-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "amzn 2023",
      "fixedVersion": "2.86-10.amzn2023.0.2",
      "fix": "ALAS2023-2023-039",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-039",
      "released": "2023-02-17T20:44:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "ol 8",
      "fixedVersion": "0:2.79-24.el8",
      "fix": "ELSA-2022-7633",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-7633",
      "released": "2022-11-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils",
      "release": "ol 9",
      "fixedVersion": "0:2.85-5.el9",
      "fix": "ELSA-2022-8070",
      "url": "https://patchblox.com/security/fix/linux/elsa-2022-8070",
      "released": "2022-11-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dnsmasq-utils-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.86-10.amzn2023.0.2",
      "fix": "ALAS2023-2023-039",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-039",
      "released": "2023-02-17T20:44:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}