Local Denial of Service Vulnerability in Avahi by Red Hat
CVE-2021-3468
5.5MEDIUM
What is CVE-2021-3468?
A flaw in Avahi, affecting versions 0.6 to 0.8, allows a local attacker to exploit the mishandling of an event in the client_work function, leading to an infinite loop. This results in the Avahi service becoming unresponsive, severely affecting its availability and potentially disrupting services dependent on this functionality.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.
Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.
Affected Version(s)
avahi All avahi versions 0.6 up to 0.8
References
CVSS V3.1
Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved
