CVE-2025-68468 — Reachable Assertion in Avahi

CWE-617 — Reachable Assertion12 documents6 sources
Severity
6.5MEDIUMNVD
OSV5.5
EPSS
0.0%
top 97.42%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
AvahiDebian Avahi
Timeline
PublishedJan 12
Latest updateJan 19

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages5 packages

▶NVDavahi/avahi< 0.9+1
▶debiandebian/avahi< avahi 0.8-18 (forky)
▶Debianavahi/avahi< 0.8-18
▶Ubuntuavahi/avahi< 0.8-5ubuntu5.4+6
▶CVEListV5avahi/avahi0.9-rc2

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
avahi vulnerabilities↗2026-01-19
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OSV
CVE-2025-68468: Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite↗2026-01-12
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📋Vendor Advisories

3
Ubuntu
Avahi vulnerabilities↗2026-01-19
▶
Red Hat
avahi: Avahi: Denial of Service via crafted mDNS/DNS-SD announcements↗2026-01-12
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Debian
CVE-2025-68468: avahi - Avahi is a system which facilitates service discovery on a local network via the...↗2025
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🕵️Threat Intelligence

6
Wiz
CVE-2026-34933 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2025-59529 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2025-68276 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2025-68471 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2025-68468 Impact, Exploitability, and Mitigation Steps | Wiz↗
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