Vulnerability-Lookup

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

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.

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	CPE status
avahi	avahi	Affected: <= 0.9-rc2	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-68468

Vulnerability from fkie_nvd - Published: 2026-01-12 18:15 - Updated: 2026-06-17 09:59

Severity

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a	Patch
security-advisories@github.com	https://github.com/avahi/avahi/issues/683	Issue Tracking, Patch
security-advisories@github.com	https://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52	Vendor Advisory

Impacted products

	Vendor	Product	Version
	avahi	avahi	*
	avahi	avahi	0.9

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "avahi",
          "vendor": "avahi",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 0.9-rc2"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:avahi:avahi:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6481267F-934F-4A0C-9B25-59738E798458",
              "versionEndExcluding": "0.9",
              "vulnerable": true
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  ],
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      "lang": "en",
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    },
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      "lang": "es",
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    }
  ],
  "id": "CVE-2025-68468",
  "lastModified": "2026-06-17T09:59:06.760",
  "metrics": {
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}

MSRC_CVE-2025-68468

Vulnerability from csaf_microsoft - Published: 2026-01-02 00:00 - Updated: 2026-02-18 14:12

Summary

Avahi has a reachable assertion in lookup_multicast_callback

Scope

1 vulnerability in this advisory, including CVE-2025-68468.

CVE-2025-68468

6.5 (Medium)


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

Fixed: 4 products Known affected: 5 products

https://learn.microsoft.com/en-us/azure/azure-linux/tutoria…

Open the full advisory

OPENSUSE-SU-2026:10052-1

Vulnerability from csaf_opensuse - Published: 2026-01-15 00:00 - Updated: 2026-01-15 00:00

Summary

avahi-0.8-41.1 on GA media

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2025-68468.

CVE-2025-68468

6.5 (Medium)


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

Recommended: 76 products

Open the full advisory

OPENSUSE-SU-2026:20110-1

Vulnerability from csaf_opensuse - Published: 2026-01-26 10:20 - Updated: 2026-01-26 10:20

Summary

Security update for avahi

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2025-68468.

CVE-2025-68468

6.5 (Medium)


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

Recommended: 93 products

Open the full advisory

RHSA-2026:11316

Vulnerability from csaf_redhat - Published: 2026-04-28 04:05 - Updated: 2026-09-06 23:40

Summary

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Severity

Moderate

Scope

5 vulnerabilities in this advisory, including CVE-2025-68468.

CVE-2025-68468

A flaw was found in Avahi. A remote attacker can cause a Denial of Service (DoS) by sending specially crafted unsolicited announcements containing CNAME resource records. These records, when pointing to other resource records with short Time-To-Live (TTL) values, can lead to the `avahi-daemon` crashing once they expire. This vulnerability impacts the availability of services relying on Avahi's service discovery.

6.5 (Medium)


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

Fixed: 3 products

https://access.redhat.com/errata/RHSA-2026:11316

Open the full advisory

SUSE-SU-2026:0143-1

Vulnerability from csaf_suse - Published: 2026-01-17 11:04 - Updated: 2026-01-17 11:04

Summary

Security update for avahi

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2025-68468.

CVE-2025-68468

6.5 (Medium)


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

Recommended: 12 products

Open the full advisory

SUSE-SU-2026:0259-1

Vulnerability from csaf_suse - Published: 2026-01-22 16:10 - Updated: 2026-01-22 16:10

Summary

Security update for avahi

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2025-68468.

CVE-2025-68468

6.5 (Medium)


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

Recommended: 180 products

Open the full advisory

SUSE-SU-2026:0422-1

Vulnerability from csaf_suse - Published: 2026-02-11 06:50 - Updated: 2026-02-11 06:50

Summary

Security update for avahi

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2025-68468.

CVE-2025-68468

6.5 (Medium)


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

Recommended: 13 products

Open the full advisory

SUSE-SU-2026:0577-1

Vulnerability from csaf_suse - Published: 2026-02-18 15:49 - Updated: 2026-02-18 15:49

Summary

Security update for avahi

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2025-68468.

CVE-2025-68468

6.5 (Medium)


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

Recommended: 40 products

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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.

Action not permitted

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

Tags

Sightings

Nomenclature