dnsdist, pdns and 1 more products — security advisory

{
  "id": "43386c5b5e683e7d1d3b54e13646774c328b8d715c0187dd1866d2787717e9d2",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-52682",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2026-52682",
    "summary": "[A crafted DNS packet can cause increased memory and CPU consumption]",
    "evidence": "osv:UBUNTU-CVE-2026-52682",
    "products": [
      {
        "name": {
          "value": "dnsdist",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.0.0~alpha2-1",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.4.5-1build2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "3.4.6-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "3.4.6-3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "3.4.7-1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "3.4.7-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "4.0.0~alpha1-1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "4.0.0~alpha2-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "4.0.0~alpha2-3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "4.0.0~alpha2-3build1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "4.0.0~alpha2-3ubuntu0.1~esm1",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns-recursor",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.7.3-1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "4.0.0~alpha1-1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "4.0.0~alpha1-2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "4.0.0~alpha2-2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "4.0.0~alpha2-2ubuntu0.1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "4.0.0~alpha2-2ubuntu0.1+esm1",
            "evidence": "/affected/2/versions"
          }
        ]
      },
      {
        "name": {
          "value": "dnsdist",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.2.0-1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.2.0-3",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.2.1-1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.2.1-1build1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1.2.1-1ubuntu0.1~esm1",
            "evidence": "/affected/3/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "4.0.4-2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "4.0.4-2build1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "4.0.5-1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "4.1.0-1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "4.1.0-2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "4.1.0-2build1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "4.1.1-1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "4.1.1-1ubuntu0.1~esm1",
            "evidence": "/affected/4/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns-recursor",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "4.0.6-1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "4.0.6-1build1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "4.0.7-1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "4.1.1-1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "4.1.1-1build1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "4.1.1-2",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "4.1.1-2ubuntu0.1~esm1",
            "evidence": "/affected/5/versions"
          }
        ]
      },
      {
        "name": {
          "value": "dnsdist",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.4.0~rc3-1",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "1.4.0-1",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "1.4.0-1build1",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "1.4.0-1build2",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "1.4.0-1ubuntu0.1~esm1",
            "evidence": "/affected/6/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "4.1.6-3build1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "4.2.0-1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "4.2.1-1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "4.2.1-1build1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "4.2.1-1build2",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "4.2.1-1ubuntu0.1~esm1",
            "evidence": "/affected/7/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns-recursor",
          "evidence": "/affected/8/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "4.2.0-6",
            "evidence": "/affected/8/versions"
          },
          {
            "value": "4.2.1-1",
            "evidence": "/affected/8/versions"
          },
          {
            "value": "4.2.1-1build1",
            "evidence": "/affected/8/versions"
          },
          {
            "value": "4.2.1-1build2",
            "evidence": "/affected/8/versions"
          },
          {
            "value": "4.2.1-1ubuntu0.1~esm1",
            "evidence": "/affected/8/versions"
          }
        ]
      },
      {
        "name": {
          "value": "dnsdist",
          "evidence": "/affected/9/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.5.1-3build2",
            "evidence": "/affected/9/versions"
          },
          {
            "value": "1.6.1-1build1",
            "evidence": "/affected/9/versions"
          },
          {
            "value": "1.6.1-1ubuntu0.1~esm1",
            "evidence": "/affected/9/versions"
          },
          {
            "value": "1.6.1-1ubuntu0.1~esm2",
            "evidence": "/affected/9/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns",
          "evidence": "/affected/10/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "4.4.1-1build1",
            "evidence": "/affected/10/versions"
          },
          {
            "value": "4.4.1-3",
            "evidence": "/affected/10/versions"
          },
          {
            "value": "4.4.1-4",
            "evidence": "/affected/10/versions"
          },
          {
            "value": "4.5.2-1build1",
            "evidence": "/affected/10/versions"
          },
          {
            "value": "4.5.3-1",
            "evidence": "/affected/10/versions"
          },
          {
            "value": "4.5.3-1ubuntu0.1~esm1",
            "evidence": "/affected/10/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns-recursor",
          "evidence": "/affected/11/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "4.4.2-3",
            "evidence": "/affected/11/versions"
          },
          {
            "value": "4.6.0-1ubuntu1",
            "evidence": "/affected/11/versions"
          },
          {
            "value": "4.6.0-1ubuntu1+esm1",
            "evidence": "/affected/11/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns",
          "evidence": "/affected/12/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "4.8.1-1build1",
            "evidence": "/affected/12/versions"
          },
          {
            "value": "4.8.3-2",
            "evidence": "/affected/12/versions"
          },
          {
            "value": "4.8.3-2build1",
            "evidence": "/affected/12/versions"
          },
          {
            "value": "4.8.3-3",
            "evidence": "/affected/12/versions"
          },
          {
            "value": "4.8.3-4",
            "evidence": "/affected/12/versions"
          },
          {
            "value": "4.8.3-4build2",
            "evidence": "/affected/12/versions"
          },
          {
            "value": "4.8.3-4build3",
            "evidence": "/affected/12/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns-recursor",
          "evidence": "/affected/13/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "4.9.0-2",
            "evidence": "/affected/13/versions"
          },
          {
            "value": "4.9.1-4",
            "evidence": "/affected/13/versions"
          },
          {
            "value": "4.9.2-1",
            "evidence": "/affected/13/versions"
          },
          {
            "value": "4.9.2-1build1",
            "evidence": "/affected/13/versions"
          },
          {
            "value": "4.9.2-2",
            "evidence": "/affected/13/versions"
          },
          {
            "value": "4.9.3-1",
            "evidence": "/affected/13/versions"
          },
          {
            "value": "4.9.3-1build2",
            "evidence": "/affected/13/versions"
          },
          {
            "value": "4.9.3-1build3",
            "evidence": "/affected/13/versions"
          }
        ]
      },
      {
        "name": {
          "value": "dnsdist",
          "evidence": "/affected/14/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.8.0-1",
            "evidence": "/affected/14/versions"
          },
          {
            "value": "1.8.2-1",
            "evidence": "/affected/14/versions"
          },
          {
            "value": "1.8.2-2",
            "evidence": "/affected/14/versions"
          },
          {
            "value": "1.8.2-3",
            "evidence": "/affected/14/versions"
          },
          {
            "value": "1.8.3-1",
            "evidence": "/affected/14/versions"
          },
          {
            "value": "1.8.3-2",
            "evidence": "/affected/14/versions"
          },
          {
            "value": "1.8.3-2build1",
            "evidence": "/affected/14/versions"
          },
          {
            "value": "1.8.3-2build2",
            "evidence": "/affected/14/versions"
          },
          {
            "value": "1.8.3-2ubuntu0.1~esm1",
            "evidence": "/affected/14/versions"
          }
        ]
      },
      {
        "name": {
          "value": "dnsdist",
          "evidence": "/affected/15/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.0.2-1build1",
            "evidence": "/affected/15/versions"
          },
          {
            "value": "2.0.5-2ubuntu1",
            "evidence": "/affected/15/versions"
          },
          {
            "value": "2.0.5-2ubuntu3",
            "evidence": "/affected/15/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns",
          "evidence": "/affected/16/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "5.0.2-1build1",
            "evidence": "/affected/16/versions"
          },
          {
            "value": "5.0.5-4",
            "evidence": "/affected/16/versions"
          },
          {
            "value": "5.1.0-1",
            "evidence": "/affected/16/versions"
          },
          {
            "value": "5.1.1-1",
            "evidence": "/affected/16/versions"
          },
          {
            "value": "5.1.1-2",
            "evidence": "/affected/16/versions"
          },
          {
            "value": "5.1.1-3",
            "evidence": "/affected/16/versions"
          },
          {
            "value": "5.1.2-1",
            "evidence": "/affected/16/versions"
          },
          {
            "value": "5.1.3-1",
            "evidence": "/affected/16/versions"
          },
          {
            "value": "5.1.4-1",
            "evidence": "/affected/16/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns-recursor",
          "evidence": "/affected/17/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "5.3.5-1",
            "evidence": "/affected/17/versions"
          },
          {
            "value": "5.4.3-1",
            "evidence": "/affected/17/versions"
          },
          {
            "value": "5.4.5-1",
            "evidence": "/affected/17/versions"
          }
        ]
      },
      {
        "name": {
          "value": "dnsdist",
          "evidence": "/affected/18/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.9.10-1",
            "evidence": "/affected/18/versions"
          },
          {
            "value": "2.0.1-1",
            "evidence": "/affected/18/versions"
          },
          {
            "value": "2.0.2-1",
            "evidence": "/affected/18/versions"
          },
          {
            "value": "2.0.2-1build1",
            "evidence": "/affected/18/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns",
          "evidence": "/affected/19/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "5.0.0-2",
            "evidence": "/affected/19/versions"
          },
          {
            "value": "5.0.1-1",
            "evidence": "/affected/19/versions"
          },
          {
            "value": "5.0.2-1",
            "evidence": "/affected/19/versions"
          },
          {
            "value": "5.0.2-1build1",
            "evidence": "/affected/19/versions"
          }
        ]
      },
      {
        "name": {
          "value": "pdns-recursor",
          "evidence": "/affected/20/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "5.2.4-2build2",
            "evidence": "/affected/20/versions"
          },
          {
            "value": "5.3.1-1",
            "evidence": "/affected/20/versions"
          },
          {
            "value": "5.3.3-1",
            "evidence": "/affected/20/versions"
          },
          {
            "value": "5.3.4-1",
            "evidence": "/affected/20/versions"
          },
          {
            "value": "5.3.4-1build1",
            "evidence": "/affected/20/versions"
          },
          {
            "value": "5.3.4-2",
            "evidence": "/affected/20/versions"
          },
          {
            "value": "5.3.5-1",
            "evidence": "/affected/20/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "UBUNTU-CVE-2026-52682",
      "aliases": [
        "UBUNTU-CVE-2026-52682"
      ],
      "metrics": [
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "dnsdist",
            "purl": "pkg:deb/ubuntu/dnsdist?arch=source&distro=xenial",
            "ecosystem": "Ubuntu:16.04:LTS"
          },
          "versions": [
            "1.0.0~alpha2-1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-52682.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "dnsdist",
                "binary_version": "1.0.0~alpha2-1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "pdns",
            "purl": "pkg:deb/ubuntu/pdns?arch=source&distro=esm-apps%2Fxenial",
            "ecosystem": "Ubuntu:Pro:16.04:LTS"
          },
          "versions": [
            "3.4.5-1build2",
            "3.4.6-2",
            "3.4.6-3",
            "3.4.7-1",
            "3.4.7-2",
            "4.0.0~alpha1-1",
            "4.0.0~alpha2-2",
            "4.0.0~alpha2-3",
            "4.0.0~alpha2-3build1",
            "4.0.0~alpha2-3ubuntu0.1~esm1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-52682.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "pdns-backend-geoip",
                "binary_version": "4.0.0~alpha2-3ubuntu0.1~esm1"
              },
              {
                "binary_name": "pdns-backend-ldap",
                "binary_version": "4.0.0~alpha2-3ubuntu0.1~esm1"
              },
              {
                "binary_name": "pdns-backend-lua",
                "binary_version": "4.0.0~alpha2-3ubuntu0.1~esm1"
              },
              {
                "binary_name": "pdns-backend-mydns",
                "binary_version": "4.0.0~alpha2-3ubuntu0.1~esm1"
              },
              {
                "binary_name": "pdns-backend-mysql",
                "binary_version": "4.0.0~alpha2-3ubuntu0.1~esm1"
              },
              {
                "binary_name": "pdns-backend-pgsql",
                "binary_version": "4.0.0~alpha2-3ubuntu0.1~esm1"
              },
              {
                "binary_name": "pdns-backend-pipe",
                "binary_version": "4.0.0~alpha2-3ubuntu0.1~esm1"
              },
              {
                "binary_name": "pdns-backend-remote",
                "binary_version": "4.0.0~alpha2-3ubuntu0.1~esm1"
              },
              {
                "binary_name": "pdns-backend-sqlite3",
                "binary_version": "4.0.0~alpha2-3ubuntu0.1~esm1"
              },
              {
                "binary_name": "pdns-backend-tinydns",
                "binary_version": "4.0.0~alpha2-3ubuntu0.1~esm1"
              },
              {
                "binary_name": "pdns-server",
                "binary_version": "4.0.0~alpha2-3ubuntu0.1~esm1"
              },
              {
                "binary_name": "pdns-tools",
                "binary_version": "4.0.0~alpha2-3ubuntu0.1~esm1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "pdns-recursor",
            "purl": "pkg:deb/ubuntu/pdns-recursor?arch=source&distro=esm-apps%2Fxenial",
            "ecosystem": "Ubuntu:Pro:16.04:LTS"
          },
          "versions": [
            "3.7.3-1",
            "4.0.0~alpha1-1",
            "4.0.0~alpha1-2",
            "4.0.0~alpha2-2",
            "4.0.0~alpha2-2ubuntu0.1",
            "4.0.0~alpha2-2ubuntu0.1+esm1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-52682.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "pdns-recursor",
                "binary_version": "4.0.0~alpha2-2ubuntu0.1+esm1"
              }
            ]
          }
        },
        {
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      ],
      "modified": "2026-10-17T12:58:34.184431842Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-52682"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2026-52682",
        "https://www.cve.org/CVERecord?id=CVE-2026-52682",
        "https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2026-11.html"
      ]
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    "related_cves": [
      {
        "value": "CVE-2026-52682",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 358794,
  "published_at": "2026-08-07T00:00:00+00:00"
}