Vulnerability-Lookup

OESA-2026-1236 (CVE-2025-68276)

Vulnerability from osv_openeuler – Published: 2026-01-23 11:10 – Updated: 2026-08-06 11:10 – Source website

Summary

avahi security update

Details

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. This enables you to plug your laptop or computer into a network and instantly be able to view other people who you can chat with, find printers to print to or find files being shared.

Security Fix(es):

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, an unprivileged local users can crash avahi-daemon (with wide-area disabled) by creating record browsers with the AVAHI_LOOKUP_USE_WIDE_AREA flag set via D-Bus. This can be done by either calling the RecordBrowserNew method directly or creating hostname/address/service resolvers/browsers that create those browsers internally themselves.(CVE-2025-68276)

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by sending unsolicited announcements containing CNAME resource records pointing it to resource records with short TTLs. As soon as they expire avahi-daemon crashes.(CVE-2025-68468)

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by sending 2 unsolicited announcements with CNAME resource records 2 seconds apart.(CVE-2025-68471)

Severity

6.5 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2025-68276	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2025-68468	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2025-68471	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "avahi-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-autoipd-0.8-15.oe2003sp4.aarch64.rpm",
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          "avahi-compat-howl-devel-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-compat-libdns_sd-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-compat-libdns_sd-devel-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-debuginfo-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-debugsource-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-devel-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-dnsconfd-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-glib-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-glib-devel-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-gobject-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-gobject-devel-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-libs-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-qt5-0.8-15.oe2003sp4.aarch64.rpm",
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          "avahi-tools-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-ui-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-ui-devel-0.8-15.oe2003sp4.aarch64.rpm",
          "avahi-ui-gtk3-0.8-15.oe2003sp4.aarch64.rpm"
        ],
        "noarch": [
          "avahi-help-0.8-15.oe2003sp4.noarch.rpm"
        ],
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          "avahi-0.8-15.oe2003sp4.src.rpm"
        ],
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          "avahi-compat-howl-0.8-15.oe2003sp4.x86_64.rpm",
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          "avahi-gobject-0.8-15.oe2003sp4.x86_64.rpm",
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          "avahi-qt5-devel-0.8-15.oe2003sp4.x86_64.rpm",
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          "avahi-ui-gtk3-0.8-15.oe2003sp4.x86_64.rpm"
        ]
      },
      "package": {
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        "name": "avahi",
        "purl": "pkg:rpm/openEuler/avahi\u0026distro=openEuler-20.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
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            }
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
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        ],
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        ],
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          "avahi-debugsource-0.8-25.oe2203sp4.x86_64.rpm",
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          "avahi-glib-devel-0.8-25.oe2203sp4.x86_64.rpm",
          "avahi-gobject-0.8-25.oe2203sp4.x86_64.rpm",
          "avahi-gobject-devel-0.8-25.oe2203sp4.x86_64.rpm",
          "avahi-libs-0.8-25.oe2203sp4.x86_64.rpm",
          "avahi-tools-0.8-25.oe2203sp4.x86_64.rpm",
          "avahi-ui-0.8-25.oe2203sp4.x86_64.rpm",
          "avahi-ui-devel-0.8-25.oe2203sp4.x86_64.rpm",
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          "avahi-ui-tools-0.8-25.oe2203sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS-SP4",
        "name": "avahi",
        "purl": "pkg:rpm/openEuler/avahi\u0026distro=openEuler-22.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8-25.oe2203sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
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          "avahi-0.8-25.oe2403.aarch64.rpm",
          "avahi-autoipd-0.8-25.oe2403.aarch64.rpm",
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      "package": {
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        "name": "avahi",
        "purl": "pkg:rpm/openEuler/avahi\u0026distro=openEuler-24.03-LTS-SP3"
      },
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          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.8-25.oe2403sp3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. This enables you to plug your laptop or computer into a network and instantly be able to view other people who you can chat with, find printers to print to or find files being shared.\r\n\r\nSecurity Fix(es):\n\nAvahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, an unprivileged local users can crash avahi-daemon (with wide-area disabled) by creating record browsers with the AVAHI_LOOKUP_USE_WIDE_AREA flag set via D-Bus. This can be done by either calling\nthe RecordBrowserNew method directly or creating hostname/address/service resolvers/browsers that create those browsers internally themselves.(CVE-2025-68276)\n\nAvahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by sending unsolicited announcements containing CNAME resource records pointing it to resource records with short TTLs. As soon as they expire avahi-daemon crashes.(CVE-2025-68468)\n\nAvahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by sending 2 unsolicited announcements with CNAME resource records 2 seconds apart.(CVE-2025-68471)",
  "id": "OESA-2026-1236",
  "modified": "2026-08-06T11:10:16Z",
  "published": "2026-01-23T11:10:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1236"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68276"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68468"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68471"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "avahi security update",
  "upstream": [
    "CVE-2025-68276",
    "CVE-2025-68468",
    "CVE-2025-68471"
  ]
}

CVE-2025-68276 (GCVE-0-2025-68276)

Vulnerability from cvelistv5 – Published: 2026-01-12 17:31 – Updated: 2026-01-12 18:41

Title

Avahi has a reachable assertion in avahi_wide_area_scan_cache

Summary

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-12 18:41 UTC

CWE

CWE-617 - Reachable Assertion

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/avahi/avahi/security/advisorie…	x_refsource_CONFIRM
https://github.com/avahi/avahi/pull/806	x_refsource_MISC
https://github.com/avahi/avahi/commit/ede7048475c…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
avahi	avahi	Affected: <= 0.9-rc2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-68276",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-12T18:41:12.045619Z",
                "version": "2.0.3"
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              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2026-01-12T18:41:22.098Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
      }
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    "cna": {
      "affected": [
        {
          "product": "avahi",
          "vendor": "avahi",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 0.9-rc2"
            }
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        }
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      "descriptions": [
        {
          "lang": "en",
          "value": "Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, an unprivileged local users can crash avahi-daemon (with wide-area disabled) by creating record browsers with the AVAHI_LOOKUP_USE_WIDE_AREA flag set via D-Bus. This can be done by either calling\nthe RecordBrowserNew method directly or creating hostname/address/service resolvers/browsers that create those browsers internally themselves."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
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        {
          "descriptions": [
            {
              "cweId": "CWE-617",
              "description": "CWE-617: Reachable Assertion",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-01-12T17:31:49.652Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
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      "references": [
        {
          "name": "https://github.com/avahi/avahi/security/advisories/GHSA-mhf3-865v-g5rc",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/avahi/avahi/security/advisories/GHSA-mhf3-865v-g5rc"
        },
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          "name": "https://github.com/avahi/avahi/pull/806",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/avahi/avahi/pull/806"
        },
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          "name": "https://github.com/avahi/avahi/commit/ede7048475c5d47d53890e3bc1350dda8e0b3688",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/avahi/avahi/commit/ede7048475c5d47d53890e3bc1350dda8e0b3688"
        }
      ],
      "source": {
        "advisory": "GHSA-mhf3-865v-g5rc",
        "discovery": "UNKNOWN"
      },
      "title": "Avahi has a reachable assertion in avahi_wide_area_scan_cache"
    }
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  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-68276",
    "datePublished": "2026-01-12T17:31:49.652Z",
    "dateReserved": "2025-12-16T14:17:32.388Z",
    "dateUpdated": "2026-01-12T18:41:22.098Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2025-68468 (GCVE-0-2025-68468)

Vulnerability from cvelistv5 – Published: 2026-01-12 17:38 – Updated: 2026-01-12 18:41

Title

Avahi has a reachable assertion in lookup_multicast_callback

Summary

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-12 18:41 UTC

CWE

CWE-617 - Reachable Assertion

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/avahi/avahi/security/advisorie…	x_refsource_CONFIRM
https://github.com/avahi/avahi/issues/683	x_refsource_MISC
https://github.com/avahi/avahi/commit/f66be13d7f3…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
avahi	avahi	Affected: <= 0.9-rc2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
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        }
      ],
      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "LOW",
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            "baseScore": 6.5,
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            "integrityImpact": "NONE",
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CVE-2025-68471 (GCVE-0-2025-68471)

Vulnerability from cvelistv5 – Published: 2026-01-12 17:39 – Updated: 2026-01-12 18:42

Title

Avahi has a reachable assertion in lookup_start

Summary

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-12 18:42 UTC

CWE

CWE-617 - Reachable Assertion

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/avahi/avahi/security/advisorie…	x_refsource_CONFIRM
https://github.com/avahi/avahi/issues/678	x_refsource_MISC
https://github.com/avahi/avahi/commit/9c6eb53bf2e…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
avahi	avahi	Affected: <= 0.9-rc2

Show details on NVD website

JSON

To clipboard

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        "metrics": [
          {
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                "id": "CVE-2025-68471",
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                "timestamp": "2026-01-12T18:42:17.248521Z",
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        }
      ],
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            "attackComplexity": "LOW",
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            "baseScore": 6.5,
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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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OESA-2026-1236 (CVE-2025-68276)

CVE-2025-68276 (GCVE-0-2025-68276)

CVE-2025-68468 (GCVE-0-2025-68468)

CVE-2025-68471 (GCVE-0-2025-68471)

Tags

Sightings

Nomenclature

Related by attack behaviour