Vulnerability Description
A flaw was found in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work function, allowing a local attacker to trigger an infinite loop. The highest threat from this vulnerability is to the availability of the avahi service, which becomes unresponsive after this flaw is triggered.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Avahi | Avahi | >= 0.6, <= 0.8 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1939614Issue Tracking
- https://lists.debian.org/debian-lts-announce/2022/06/msg00009.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00028.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1939614Issue Tracking
- https://lists.debian.org/debian-lts-announce/2022/06/msg00009.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00028.html
FAQ
What is CVE-2021-3468?
CVE-2021-3468 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A flaw was found in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work function, al...
How severe is CVE-2021-3468?
CVE-2021-3468 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3468?
Check the references section above for vendor advisories and patch information. Affected products include: Avahi Avahi, Debian Debian Linux.