{
  "cveId": "CVE-2019-25035",
  "url": "https://patchblox.com/security/cve/CVE-2019-25035",
  "summary": "CVE-2019-25035 is fixed in 9 products on 1 platform, first by libunbound2 1.6.7-1ubuntu2.4, released April 26, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver",
  "description": "The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. \n\nSecurity Fix(es):\n\n* unbound: integer overflow in the regional allocator via regional_alloc (CVE-2019-25032)\n\n* unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to an out-of-bounds write (CVE-2019-25034)\n\n* unbound: out-of-bounds write in sldns_bget_token_par (CVE-2019-25035)\n\n* unbound: assertion failure and denial of service in synth_cname (CVE-2019-25036)\n\n* unbound: assertion failure and denial of service in dname_pkt_copy via an invalid packet (CVE-2019-25037)\n\n* unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c (CVE-2019-25038)\n\n* unbound: integer overflow in a size calculation in respip/respip.c (CVE-2019-25039)\n\n* unbound: infinite loop via a compressed name in dname_pkt_copy (CVE-2019-25040)\n\n* unbound: assertion failure via a compressed name in dname_pkt_copy (CVE-2019-25041)\n\n* unbound: out-of-bounds write via a compressed name in rdata_copy (CVE-2019-25042)\n\n* unbound: symbolic link traversal when writing PID file (CVE-2020-28935)\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 8.4 Release Notes linked from the References section.",
  "published": "2021-04-26T23:15:00Z",
  "severity": "Moderate",
  "cvss": 9.8,
  "epss": 0.02881,
  "epssPercentile": 0.86918,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libunbound2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.6.7-1ubuntu2.4",
      "fix": "libunbound2 1.6.7-1ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libunbound2-1.6.7-1ubuntu2.4",
      "released": "2021-04-26T23:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libunbound8",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.9.4-2ubuntu1.2",
      "fix": "libunbound8 1.9.4-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.2",
      "released": "2021-04-26T23:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python-unbound",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.6.7-1ubuntu2.4",
      "fix": "python-unbound 1.6.7-1ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python-unbound-1.6.7-1ubuntu2.4",
      "released": "2021-04-26T23:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python-unbound",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.9.4-2ubuntu1.2",
      "fix": "python-unbound 1.9.4-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.2",
      "released": "2021-04-26T23:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-unbound",
      "release": "RHEL 8",
      "fixedVersion": "0:1.7.3-15.el8",
      "fix": "RHSA-2021:1853",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1853",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-unbound",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.6.7-1ubuntu2.4",
      "fix": "python3-unbound 1.6.7-1ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python3-unbound-1.6.7-1ubuntu2.4",
      "released": "2021-04-26T23:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-unbound",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.9.4-2ubuntu1.2",
      "fix": "python3-unbound 1.9.4-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-python3-unbound-1.9.4-2ubuntu1.2",
      "released": "2021-04-26T23:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-unbound",
      "release": "ol 8",
      "fixedVersion": "0:1.7.3-15.el8",
      "fix": "ELSA-2021-1853",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1853",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "unbound",
      "release": "RHEL 8",
      "fixedVersion": "0:1.7.3-15.el8",
      "fix": "RHSA-2021:1853",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1853",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "unbound",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.6.7-1ubuntu2.4",
      "fix": "unbound 1.6.7-1ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-unbound-1.6.7-1ubuntu2.4",
      "released": "2021-04-26T23:15:00Z"
    },
    {
      "platform": "linux",
      "product": "unbound",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.9.4-2ubuntu1.2",
      "fix": "unbound 1.9.4-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-unbound-1.9.4-2ubuntu1.2",
      "released": "2021-04-26T23:15:00Z"
    },
    {
      "platform": "linux",
      "product": "unbound",
      "release": "ol 8",
      "fixedVersion": "0:1.7.3-15.el8",
      "fix": "ELSA-2021-1853",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1853",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "unbound-anchor",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.6.7-1ubuntu2.4",
      "fix": "unbound-anchor 1.6.7-1ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-unbound-anchor-1.6.7-1ubuntu2.4",
      "released": "2021-04-26T23:15:00Z"
    },
    {
      "platform": "linux",
      "product": "unbound-anchor",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.9.4-2ubuntu1.2",
      "fix": "unbound-anchor 1.9.4-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-unbound-anchor-1.9.4-2ubuntu1.2",
      "released": "2021-04-26T23:15:00Z"
    },
    {
      "platform": "linux",
      "product": "unbound-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:1.7.3-15.el8",
      "fix": "RHSA-2021:1853",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1853",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "unbound-devel",
      "release": "ol 8",
      "fixedVersion": "0:1.7.3-15.el8",
      "fix": "ELSA-2021-1853",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1853",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "unbound-host",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.6.7-1ubuntu2.4",
      "fix": "unbound-host 1.6.7-1ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-unbound-host-1.6.7-1ubuntu2.4",
      "released": "2021-04-26T23:15:00Z"
    },
    {
      "platform": "linux",
      "product": "unbound-host",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.9.4-2ubuntu1.2",
      "fix": "unbound-host 1.9.4-2ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-unbound-host-1.9.4-2ubuntu1.2",
      "released": "2021-04-26T23:15:00Z"
    },
    {
      "platform": "linux",
      "product": "unbound-libs",
      "release": "RHEL 8",
      "fixedVersion": "0:1.7.3-15.el8",
      "fix": "RHSA-2021:1853",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1853",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "unbound-libs",
      "release": "ol 8",
      "fixedVersion": "0:1.7.3-15.el8",
      "fix": "ELSA-2021-1853",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1853",
      "released": "2021-05-25T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T06:34:28Z"
}