CVE-2026-34933

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

03/04/2026

Last modified:

13/04/2026

Description

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. Prior to version 0.9-rc4, any unprivileged local user can crash avahi-daemon by sending a single D-Bus method call with conflicting publish flags. This issue has been patched in version 0.9-rc4.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:avahi:avahi::::::::		0.9 (excluding)
cpe:2.3:a:avahi:avahi:0.9:rc1::::::
cpe:2.3:a:avahi:avahi:0.9:rc2::::::
cpe:2.3:a:avahi:avahi:0.9:rc3::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-34933

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools