CVE-2021-3502

Medium

Description

A flaw was found in avahi 0.8-5. A reachable assertion is present in avahi_s_host_name_resolver_start function allowing a local attacker to crash the avahi service by requesting hostname resolutions through the avahi socket or dbus methods for invalid hostnames. The highest threat from this vulnerability is to the service availability.

SeverityMedium
CVSS5.5
Exploit probability—
ProductAvahi
PublishedMay 7, 2021
First seenMay 7, 2021
Weakness typeCWE-617CWE-617

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
avahi avahi0.8-5—

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CVE-2021-3502 · Avahi · Dark Radar