CVE-2021-3468

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.01%
Third-Party Advisory debian.org
Affected: n/a avahi
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1939614 issue tracking
https://lists.debian.org/debian-lts-announce/2022/06/msg00009.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2023/06/msg00028.html

Frequently Asked Questions

What is the severity of CVE-2021-3468?
CVE-2021-3468 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3468?
To fix CVE-2021-3468, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3468 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3468 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3468?
CVE-2021-3468 affects n/a avahi.
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