CVE-2025-68468

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 73% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

A fix is available — apply it.

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.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

January 12, 2026

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Aug 8, 2026
Patch available. Sources: github_commit, github.
github Patch Available

Reachable assertion in lookup_multicast_callback (CVE-2025-68468) · Advisory · avahi/avahi · GitHub

https://github.com/avahi/avahi/security/advisories/GHSA-cp79-r4x9-vf52
generic

avahi-daemon: reachable assertion in lookup_multicast_callback when CNAMEs expire · Issue #683 · avahi/avahi · GitHub

https://github.com/avahi/avahi/issues/683
github_commit

commit f66be13d7f31 (avahi/avahi)

Fix landed in avahi/avahi commit f66be13d7f31 — awaiting tagged release

https://github.com/avahi/avahi/commit/f66be13d7f31a3ef806d226bf8b67240179d309a

Vendor Advisories for CVE-2025-68468(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntupython3-avahi (0.8-5ubuntu5.4) @ jammy2026-05-29ubuntu
redhatavahi-main-0.9~rc4-0.1.hum12026-04-28redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 5 ecosystems)
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
avahi—0.8-r25—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
avahi0.8-10 ... 0.8-9 (17 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
avahi0.8-10 ... 0.8-18 (10 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
avahi0.8-16, 0.8-17, 0.8-18——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
avahi0.8-16, 0.8-170.8-18—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 7× in last 7d / 26× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 148 total refreshes for this CVE.

  1. 2026-09-15 03:10 UTCEPSS rescore
  2. 2026-09-13 16:46 UTCEPSS rescore
  3. 2026-09-12 15:00 UTCEPSS rescore
  4. 2026-09-11 14:52 UTCEPSS rescore
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  11. 2026-09-02 14:11 UTCEPSS rescore
  12. 2026-09-01 13:53 UTCEPSS rescore
  13. 2026-08-31 08:28 UTCOSV refresh
  14. 2026-08-30 01:21 UTCEPSS rescore
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  1. 2026-08-16 14:55 UTCEPSS rescore
  2. 2026-08-16 02:14 UTCEPSS rescore
  3. 2026-08-15 01:30 UTCEPSS rescore
  4. 2026-08-14 14:54 UTCEG score recompute
  5. 2026-08-14 14:54 UTCVendor advisory
  6. 2026-08-13 22:00 UTCEPSS rescore
  7. 2026-08-12 13:50 UTCEPSS rescore
  8. 2026-08-11 13:42 UTCEPSS rescore
  9. 2026-08-10 23:59 UTCEPSS rescore
  10. 2026-08-09 20:32 UTCEG score recompute
  11. 2026-08-09 20:32 UTCVendor advisory
  12. 2026-08-09 13:46 UTCEPSS rescore
  13. 2026-08-08 16:36 UTCEPSS rescore
  14. 2026-08-08 01:02 UTCEG score recompute
  15. 2026-08-08 01:02 UTCVendor advisory
  16. 2026-08-07 16:27 UTCEPSS rescore
  17. 2026-08-06 13:46 UTCEPSS rescore
  18. 2026-08-06 06:00 UTCEG score recompute
  19. 2026-08-06 06:00 UTCVendor advisory
  20. 2026-08-05 19:17 UTCEPSS rescore
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  23. 2026-08-02 02:26 UTCEPSS rescore
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  25. 2026-07-30 16:27 UTCEPSS rescore
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  27. 2026-07-27 14:13 UTCEPSS rescore
  28. 2026-07-26 14:54 UTCEPSS rescore
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  30. 2026-07-25 14:17 UTCEPSS rescore
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  33. 2026-07-23 14:18 UTCEPSS rescore
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  35. 2026-07-23 10:49 UTCOSV refresh
  36. 2026-07-23 03:02 UTCEG score recompute
  37. 2026-07-22 14:08 UTCEPSS rescore
  38. 2026-07-20 17:08 UTCEPSS rescore
  39. 2026-07-19 14:30 UTCEPSS rescore
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  41. 2026-07-19 02:28 UTCEPSS rescore
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  45. 2026-07-16 17:02 UTCEPSS rescore
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  47. 2026-07-15 16:57 UTCEPSS rescore
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  51. 2026-07-13 06:12 UTCEPSS rescore
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  54. 2026-07-11 08:27 UTCEPSS rescore
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  56. 2026-07-09 19:10 UTCEPSS rescore
  57. 2026-07-08 15:15 UTCEPSS rescore
  58. 2026-07-07 13:46 UTCEPSS rescore
  59. 2026-07-06 16:27 UTCEPSS rescore
  60. 2026-07-06 06:02 UTCOSV refresh
  61. 2026-07-06 02:23 UTCEPSS rescore
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  66. 2026-07-01 15:06 UTCEPSS rescore
  67. 2026-06-30 23:22 UTCEPSS rescore
  68. 2026-06-30 23:22 UTCEPSS rescore
  69. 2026-06-29 14:06 UTCEPSS rescore
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  73. 2026-06-28 04:56 UTCEPSS rescore
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  75. 2026-06-27 03:08 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-68468?
CVE-2025-68468 is a medium vulnerability published on January 12, 2026. 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…
When was CVE-2025-68468 disclosed?
CVE-2025-68468 was first published in the National Vulnerability Database on January 12, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-68468 actively exploited?
CVE-2025-68468 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 67.9% of all scored CVEs.
What is the CVSS score of CVE-2025-68468?
CVE-2025-68468 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2025-68468?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-68468, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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