Is CVE-2025-68468 in the CISA KEV catalog?

No. CVE-2025-68468 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-68468?

CVE-2025-68468 has a CVSS v3 base score of 6.5 (Moderate).

What is the EPSS score for CVE-2025-68468?

CVE-2025-68468 has an EPSS score of 0.33% (25th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-68468?

Upgrade avahi on debian unstable to 0.8-18 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2025-68468

MEDIUM

6.5

CVSS v3

NVD

Description

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.

CWE-617

How to fix

Remediation Available

avahiDebian

Fixed in:0.8-18CVE-2025-68468

avahiRed Hat / RHEL

Fixed in:main@aarch64RHSA-2026:11316

Fixed in:main@srcRHSA-2026:11316

Fixed in:main@x86_64RHSA-2026:11316

avahiRocky

Fixed in:main@aarch64RHSA-2026:11316

Fixed in:main@x86_64RHSA-2026:11316

Fixed in:main@srcRHSA-2026:11316

avahiUbuntu

Fixed in:0.6.31-4ubuntu1.3+esm4USN-7967-1

Fixed in:0.6.32~rc+dfsg-1ubuntu2.3+esm4USN-7967-1

Fixed in:0.7-3.1ubuntu1.3+esm3USN-7967-1

Fixed in:0.7-4ubuntu7.3+esm1USN-7967-1

Fixed in:0.8-5ubuntu5.4USN-7967-1

Fixed in:0.8-13ubuntu6.1USN-7967-1

Fixed in:0.8-16ubuntu3.1USN-7967-1

avahi-daemonUbuntu

Fixed in:0.6.31-4ubuntu1.3+esm4USN-7967-1

Fixed in:0.6.32~rc+dfsg-1ubuntu2.3+esm4USN-7967-1

Fixed in:0.7-3.1ubuntu1.3+esm3USN-7967-1

Fixed in:0.7-4ubuntu7.3+esm1USN-7967-1

Fixed in:0.8-5ubuntu5.4USN-7967-1

Fixed in:0.8-13ubuntu6.1USN-7967-1

Fixed in:0.8-16ubuntu3.1USN-7967-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.33%probability of exploitation in 30 days

25thpercentile

Low risk: more likely to be exploited than 25% of all known CVEs.

References

Patch2

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-617 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-8617	High	7.5	93%	-	Fix
CVE-2020-36222	High	7.5	78%	-	Fix
CVE-2006-5779	High	7.5	75%	-	Fix
CVE-2021-27212	High	7.5	64%	-	Fix
CVE-2018-5740	High	7.5	59%	-	Fix
CVE-2023-28425	Medium	5.5	55%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-16.