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NVD / CVE Program· CNA redhat

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

Noroxi assessment

Priority: Monitor (action score 21/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.72% (FIRST EPSS); higher than 54.3% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • According to CISA the attack is automatable: targets can be found by mass scanning.
  • Fixed version: avahi avahi 0.9-rc2; azl3 avahi 0.8-5 on Azure Linux 3.0 0.8-5; cbl2 avahi 0.8-4 on CBL Mariner 2.0 0.8-4.

Low priority for now. Upgrade to avahi avahi 0.9-rc2; azl3 avahi 0.8-5 on Azure Linux 3.0 0.8-5; cbl2 avahi 0.8-4 on CBL Mariner 2.0 0.8-4 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

MediumCVSS 5.3 · v3.1—No exploit Fix available
Published
Nov 21, 2024
Updated
Nov 5, 2026
EPSS
0.7% · 54th percentile

Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.7%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · redhat
5.3
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2024-52616

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

  • avahi avahi

    • before 0.9-rc2affected · semver

  • Red Hat Red Hat Enterprise Linux 7

    • all versionsunknown

  • Red Hat Red Hat Enterprise Linux 8

    • all versionsaffected

  • Red Hat Red Hat Enterprise Linux 9

    • 0:0.8-22.el9_6 and laternot affected · rpm
    • 0:0.8-22.el9_6 and laternot affected · rpm

  • Red Hat Red Hat OpenShift Container Platform 4

    • all versionsaffected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
AlmaLinux:9avahibefore 0.8-22.el9_60.8-22.el9_6
AlmaLinux:9avahi-autoipdbefore 0.8-22.el9_60.8-22.el9_6
AlmaLinux:9avahi-compat-howlbefore 0.8-22.el9_60.8-22.el9_6
AlmaLinux:9avahi-compat-howl-develbefore 0.8-22.el9_60.8-22.el9_6
AlmaLinux:9avahi-compat-libdns_sdbefore 0.8-22.el9_60.8-22.el9_6
AlmaLinux:9avahi-compat-libdns_sd-develbefore 0.8-22.el9_60.8-22.el9_6
AlmaLinux:9avahi-develbefore 0.8-22.el9_60.8-22.el9_6
AlmaLinux:9avahi-glibbefore 0.8-22.el9_60.8-22.el9_6
AlmaLinux:9avahi-glib-develbefore 0.8-22.el9_60.8-22.el9_6
AlmaLinux:9avahi-gobjectbefore 0.8-22.el9_60.8-22.el9_6
AlmaLinux:9avahi-gobject-develbefore 0.8-22.el9_60.8-22.el9_6
AlmaLinux:9avahi-libsbefore 0.8-22.el9_60.8-22.el9_6
AlmaLinux:9avahi-toolsbefore 0.8-22.el9_60.8-22.el9_6
Alpine:v3.22avahibefore 0.8-r210.8-r21
Debian:12avahifrom 0—
Debian:14avahibefore 0.8-180.8-18
openSUSE:Leap 15.5avahi-glib2before 0.8-150400.7.20.10.8-150400.7.20.1
openSUSE:Leap 15.5avahi-qt5before 0.8-150400.7.20.10.8-150400.7.20.1
openSUSE:Leap 15.6avahibefore 0.8-150600.15.6.10.8-150600.15.6.1
openSUSE:Leap 15.6avahi-glib2before 0.8-150600.15.6.10.8-150600.15.6.1
openSUSE:Leap 15.6avahi-qt5before 0.8-150600.15.6.10.8-150600.15.6.1
openSUSE:Leap Micro 5.5avahibefore 0.8-150400.7.20.10.8-150400.7.20.1
openSUSE:Tumbleweedavahibefore 0.8-37.10.8-37.1
Red Hat:enterprise_linux:9::appstreamavahi-autoipdbefore 0:0.8-22.el9_60:0.8-22.el9_6

+35

Same product

red hat: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-6409Openssh: possible remote code execution due to a race condition in signal handling affecting red hat enterprise linux 9
    36Monitor
  • CVE-2026-75092Leapp-repository: leapp-upgrade-el9toel10: leapp-upgrade-el9toel10: scan_mysql runs mysqld --validate-config as root and can load mysql-writable plugins
    29Monitor
  • CVE-2026-92925Redis: redis: out-of-bounds read via crafted cluster bus packets
    28Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2024-6126Jul 3, 2024 · Cockpit: authenticated user can kill any process when enabling pam_env's user_readenv option
    12Monitor
  • ← EarlierCVE-2024-6501Jul 9, 2024 · Networkmanager: denial of service
    12Monitor
  • Later →CVE-2024-56826Jan 9, 2025 · Openjpeg: heap buffer overflow in bin/common/color.c
    22Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
avahi avahi0.9-rc2Vendor (CNA)
azl3 avahi 0.8-5 on Azure Linux 3.00.8-5 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 avahi 0.8-4 on CBL Mariner 2.00.8-4 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 avahi 0.8-4 on CBL-Mariner 2.00.8-4 · CBL-Mariner ReleasesMicrosoft (MSRC)
almalinux:avahi0.8-22.el9_6 · AlmaLinux:9Package registry (OSV)
almalinux:avahi-autoipd0.8-22.el9_6 · AlmaLinux:9Package registry (OSV)
almalinux:avahi-compat-howl0.8-22.el9_6 · AlmaLinux:9Package registry (OSV)
almalinux:avahi-compat-howl-devel0.8-22.el9_6 · AlmaLinux:9Package registry (OSV)
almalinux:avahi-compat-libdns_sd0.8-22.el9_6 · AlmaLinux:9Package registry (OSV)
almalinux:avahi-compat-libdns_sd-devel0.8-22.el9_6 · AlmaLinux:9Package registry (OSV)
almalinux:avahi-devel0.8-22.el9_6 · AlmaLinux:9Package registry (OSV)
almalinux:avahi-glib0.8-22.el9_6 · AlmaLinux:9Package registry (OSV)
almalinux:avahi-glib-devel0.8-22.el9_6 · AlmaLinux:9Package registry (OSV)
almalinux:avahi-gobject0.8-22.el9_6 · AlmaLinux:9Package registry (OSV)
almalinux:avahi-gobject-devel0.8-22.el9_6 · AlmaLinux:9Package registry (OSV)
almalinux:avahi-libs0.8-22.el9_6 · AlmaLinux:9Package registry (OSV)
alpine:avahi0.8-r21 · Alpine:v3.22Package registry (OSV)
debian:avahi0.8-18 · Debian:14Package registry (OSV)
opensuse:avahi0.8-150600.15.6.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:avahi-glib20.8-150600.15.6.1 · openSUSE:Leap 15.6Package registry (OSV)
opensuse:avahi-qt50.8-150600.15.6.1 · openSUSE:Leap 15.6Package registry (OSV)
red hat:avahi-autoipd0:0.8-22.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:avahi-autoipd-debuginfo0:0.8-22.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:avahi-compat-howl-debuginfo0:0.8-22.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:avahi-compat-libdns_sd-debuginfo0:0.8-22.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:avahi-debuginfo0:0.8-22.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:avahi-debugsource0:0.8-22.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:avahi-dnsconfd-debuginfo0:0.8-22.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:avahi-glib0:0.8-22.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:avahi-glib-debuginfo0:0.8-22.el9_6 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)

+6

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
low · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-334 · Small Space of Random Values

CVSS vector

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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (3 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records