CVEvulnerability

CVE-2021-3502

5.5 MEDIUM Published 2021-05-07 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-05-07
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-617

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.

Affected configurations

• avahi avahi 0.8-5

Related

Weakness · CWE (1)

  • CWE-617 Reachable Assertion weakness

References