usn-7967-1
Vulnerability from osv_ubuntu
Published
2026-01-19 12:30
Modified
2026-06-25 10:47
Summary
avahi vulnerabilities
Details

It was discovered that Avahi incorrectly terminated when processing browser records with wide-area disabled. An attacker could possibly use this issue to cause Avahi to crash, resulting in a denial of service. (CVE-2025-68276)

It was discovered that Avahi incorrectly terminated when processing unsolicited CNAME records pointing to resource records with short TTLs. An attacker could possibly use this issue to cause Avahi to crash, resulting in a denial of service. (CVE-2025-68468)

It was discovered that Avahi incorrectly terminated when processing unsolicited CNAME records in quick succession. An attacker could possibly use this issue to cause Avahi to crash, resulting in a denial of service. (CVE-2025-68471)


{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-68276",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68468",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68471",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "avahi-autoipd",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "avahi-daemon",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "avahi-discover",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "avahi-dnsconfd",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "avahi-ui-utils",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "avahi-utils",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "libavahi-client3",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "libavahi-common-data",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "libavahi-common3",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "libavahi-compat-libdnssd1",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "libavahi-core7",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "libavahi-glib1",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "libavahi-gobject0",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "libavahi-qt4-1",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "libavahi-ui-gtk3-0",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "libavahi-ui0",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          },
          {
            "binary_name": "python-avahi",
            "binary_version": "0.6.31-4ubuntu1.3+esm4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "avahi",
        "purl": "pkg:deb/ubuntu/avahi@0.6.31-4ubuntu1.3+esm4?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.31-4ubuntu1.3+esm4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.31-2ubuntu4",
        "0.6.31-2ubuntu5",
        "0.6.31-3ubuntu1",
        "0.6.31-4ubuntu1",
        "0.6.31-4ubuntu1.1",
        "0.6.31-4ubuntu1.2",
        "0.6.31-4ubuntu1.3",
        "0.6.31-4ubuntu1.3+esm1",
        "0.6.31-4ubuntu1.3+esm2",
        "0.6.31-4ubuntu1.3+esm3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-68276",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68468",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68471",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "avahi-autoipd",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "avahi-daemon",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "avahi-discover",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "avahi-dnsconfd",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "avahi-ui-utils",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "avahi-utils",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "libavahi-client3",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "libavahi-common-data",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "libavahi-common3",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "libavahi-compat-libdnssd1",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "libavahi-core7",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "libavahi-glib1",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "libavahi-gobject0",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "libavahi-qt4-1",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "libavahi-ui-gtk3-0",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "libavahi-ui0",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          },
          {
            "binary_name": "python-avahi",
            "binary_version": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "avahi",
        "purl": "pkg:deb/ubuntu/avahi@0.6.32~rc+dfsg-1ubuntu2.3+esm4?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.32~rc+dfsg-1ubuntu2.3+esm4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.31-4ubuntu4",
        "0.6.32~rc+dfsg-1ubuntu2",
        "0.6.32~rc+dfsg-1ubuntu2.1",
        "0.6.32~rc+dfsg-1ubuntu2.2",
        "0.6.32~rc+dfsg-1ubuntu2.3",
        "0.6.32~rc+dfsg-1ubuntu2.3+esm1",
        "0.6.32~rc+dfsg-1ubuntu2.3+esm2",
        "0.6.32~rc+dfsg-1ubuntu2.3+esm3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-68276",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68468",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68471",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "avahi-autoipd",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "avahi-daemon",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "avahi-discover",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "avahi-dnsconfd",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "avahi-ui-utils",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "avahi-utils",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "gir1.2-avahi-0.6",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "libavahi-client3",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "libavahi-common-data",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "libavahi-common3",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "libavahi-compat-libdnssd1",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "libavahi-core7",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "libavahi-glib1",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "libavahi-gobject0",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "libavahi-ui-gtk3-0",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          },
          {
            "binary_name": "python-avahi",
            "binary_version": "0.7-3.1ubuntu1.3+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "avahi",
        "purl": "pkg:deb/ubuntu/avahi@0.7-3.1ubuntu1.3+esm3?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.7-3.1ubuntu1.3+esm3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.32-1ubuntu1",
        "0.7-3ubuntu1",
        "0.7-3ubuntu2",
        "0.7-3.1ubuntu1",
        "0.7-3.1ubuntu1.1",
        "0.7-3.1ubuntu1.2",
        "0.7-3.1ubuntu1.3",
        "0.7-3.1ubuntu1.3+esm1",
        "0.7-3.1ubuntu1.3+esm2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-68276",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68468",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68471",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "avahi-autoipd",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "avahi-daemon",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "avahi-discover",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "avahi-dnsconfd",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "avahi-ui-utils",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "avahi-utils",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "gir1.2-avahi-0.6",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "libavahi-client3",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "libavahi-common-data",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "libavahi-common3",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "libavahi-compat-libdnssd1",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "libavahi-core7",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "libavahi-glib1",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "libavahi-gobject0",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "libavahi-ui-gtk3-0",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          },
          {
            "binary_name": "python-avahi",
            "binary_version": "0.7-4ubuntu7.3+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "avahi",
        "purl": "pkg:deb/ubuntu/avahi@0.7-4ubuntu7.3+esm1?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.7-4ubuntu7.3+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.7-4ubuntu5",
        "0.7-4ubuntu6",
        "0.7-4ubuntu7",
        "0.7-4ubuntu7.1",
        "0.7-4ubuntu7.2",
        "0.7-4ubuntu7.3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-68276",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68468",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68471",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "avahi-autoipd",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "avahi-daemon",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "avahi-discover",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "avahi-dnsconfd",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "avahi-ui-utils",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "avahi-utils",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "gir1.2-avahi-0.6",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "libavahi-client3",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "libavahi-common-data",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "libavahi-common3",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "libavahi-compat-libdnssd1",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "libavahi-core7",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "libavahi-glib1",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "libavahi-gobject0",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "libavahi-ui-gtk3-0",
            "binary_version": "0.8-5ubuntu5.4"
          },
          {
            "binary_name": "python3-avahi",
            "binary_version": "0.8-5ubuntu5.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "avahi",
        "purl": "pkg:deb/ubuntu/avahi@0.8-5ubuntu5.4?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8-5ubuntu5.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.8-5ubuntu4",
        "0.8-5ubuntu5",
        "0.8-5ubuntu5.1",
        "0.8-5ubuntu5.2",
        "0.8-5ubuntu5.3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-68276",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68468",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68471",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "avahi-autoipd",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "avahi-daemon",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "avahi-discover",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "avahi-dnsconfd",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "avahi-ui-utils",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "avahi-utils",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "gir1.2-avahi-0.6",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "libavahi-client3",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "libavahi-common-data",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "libavahi-common3",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "libavahi-compat-libdnssd1",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "libavahi-core7",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "libavahi-glib1",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "libavahi-gobject0",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "libavahi-ui-gtk3-0",
            "binary_version": "0.8-13ubuntu6.1"
          },
          {
            "binary_name": "python3-avahi",
            "binary_version": "0.8-13ubuntu6.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "avahi",
        "purl": "pkg:deb/ubuntu/avahi@0.8-13ubuntu6.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8-13ubuntu6.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.8-10ubuntu1",
        "0.8-13ubuntu1",
        "0.8-13ubuntu2",
        "0.8-13ubuntu4",
        "0.8-13ubuntu5",
        "0.8-13ubuntu6"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-68276",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68468",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-68471",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:25.10"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "avahi-autoipd",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "avahi-daemon",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "avahi-discover",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "avahi-dnsconfd",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "avahi-ui-utils",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "avahi-utils",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "gir1.2-avahi-0.6",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "libavahi-client3",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "libavahi-common-data",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "libavahi-common3",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "libavahi-compat-libdnssd1",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "libavahi-core7",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "libavahi-glib1",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "libavahi-gobject0",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "libavahi-ui-gtk3-0",
            "binary_version": "0.8-16ubuntu3.1"
          },
          {
            "binary_name": "python3-avahi",
            "binary_version": "0.8-16ubuntu3.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "avahi",
        "purl": "pkg:deb/ubuntu/avahi@0.8-16ubuntu3.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8-16ubuntu3.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.8-16ubuntu2",
        "0.8-16ubuntu3"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that Avahi incorrectly terminated when processing browser\nrecords with wide-area disabled. An attacker could possibly use this issue\nto cause Avahi to crash, resulting in a denial of service. (CVE-2025-68276)\n\nIt was discovered that Avahi incorrectly terminated when processing\nunsolicited CNAME records pointing to resource records with short TTLs. An\nattacker could possibly use this issue to cause Avahi to crash, resulting\nin a denial of service. (CVE-2025-68468)\n\nIt was discovered that Avahi incorrectly terminated when processing\nunsolicited CNAME records in quick succession. An attacker could possibly\nuse this issue to cause Avahi to crash, resulting in a denial of service.\n(CVE-2025-68471)",
  "id": "USN-7967-1",
  "modified": "2026-06-25T10:47:03Z",
  "published": "2026-01-19T12:30:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7967-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-68276"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-68468"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-68471"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "avahi vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2025-68276",
    "UBUNTU-CVE-2025-68468",
    "UBUNTU-CVE-2025-68471"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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