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CVE-2024-52616

Avahi: avahi wide-area dns predictable transaction ids

MEDIUM
5.3
CVSS Score
Published: November 21, 2024 at 08:41 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 0.7%
SSVC
No known exploit

Description

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.

Affected

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

Enterprise Linux· Red Hatrpm
90%
All versions8
Vendor states this is fixed in 0:0.8-22.el9_6 (unaffected)
Vendor states this is fixed in 7 (unknown)
OpenShift Container Platform· Red Hatcontainer
90%
All versions4
Avahi· Avahi
85%
All versions

Remediation

No guide yet

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

Patch and advisory references

References (4)

Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2025:7437
VDB Entryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/security/cve/CVE-2024-52616
Issue Trackingx_refsource_REDHAT
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2326429
Source: cverecord
https://github.com/avahi/avahi/pull/577

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-334

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