CVE-2024-52615

Avahi: avahi wide-area dns uses constant source port

MEDIUM
5.3
CVSS Score
Published: November 21, 2024 at 08:34 PM UTC
Updated: October 21, 2026 at 09:17 PM UTC
3 products affected across 2 vendorsEnterprise LinuxOpenShift Container PlatformAvahi

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

A flaw was found in Avahi-daemon, which relies on fixed source ports for wide-area DNS queries. This issue simplifies attacks where malicious DNS responses are injected.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions8
Vendor states this is fixed in 0:0.8-22.el9_6.1 (unaffected)
Vendor states this is fixed in 0:0.9~rc2-1.el10_0.1 (unaffected)
Vendor states this is fixed in 7 (unknown)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (5)

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMredhat
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-330

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