Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-68468— Avahi has a reachable assertion in lookup_multicast_callback

Quick assessment

Affected
avahi avahi
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Avahi是Avahi开源的一套用于Linux的本地服务发现工具。 Avahi 0.9-rc2及之前版本存在安全漏洞，该漏洞源于发送包含指向短TTL资源记录的CNAME资源记录的未经请求公告，可能导致avahi-daemon崩溃。

CVSS 6.5 · Medium EPSS 0.39% · P30
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-68468

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Avahi has a reachable assertion in lookup_multicast_callback
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
Avahi 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Avahi是Avahi开源的一套用于Linux的本地服务发现工具。 Avahi 0.9-rc2及之前版本存在安全漏洞，该漏洞源于发送包含指向短TTL资源记录的CNAME资源记录的未经请求公告，可能导致avahi-daemon崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
avahi avahi <= 0.9-rc2 -

II. Public POCs for CVE-2025-68468

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-68468

请登录查看更多情报信息。

Same Patch Batch · avahi · 2026-01-12 · 3 CVEs total

CVE-2025-68471 6.5 MEDIUM Avahi has a reachable assertion in lookup_start
CVE-2025-68276 5.5 MEDIUM Avahi has a reachable assertion in avahi_wide_area_scan_cache

IV. Related Vulnerabilities

Same product: avahi
Same vendor: avahi
Same weakness: CWE-617

V. Comments for CVE-2025-68468

No comments yet

Leave a comment