CVE-2024-52616 MEDIUM

CVE-2024-52616: Avahi: avahi wide-area dns predictable transaction ids

Vendor Red Hat
Product Red Hat Enterprise Linux 7
Weakness CWE-334
Published November 21, 2024
Last update March 24, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

A flaw was found in the Avahi-daemon, where it initializes DNS transaction IDs randomly only once at startup, incrementing them sequentially after that. This predictable behavior facilitates DNS spoofing attacks, allowing attackers to guess transaction IDs.

Key dates

02Disclosure timeline

November 21, 2024 CVE published
March 24, 2026 Record updated