Vulnerabilities

Vulnerability · CVE-2023-38471

A vulnerability was found in Avahi.

Published Nov 2, 2023 · catalog updated Oct 28, 2026 · A vulnerability was found

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-38471. EPSS is 0.33%. Act only if a listed version of A vulnerability was found is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A vulnerability was found).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.33%
Remediation
Version ranges on file
Affected products
cpe avahi/avahi · cpe redhat/enterprise linux

A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe avahi/avahi< 0.9
  • cpe redhat/enterprise linux8.0
  • cpe redhat/enterprise linux9.0

How to fix CVE-2023-38471

  • Upgrade

    CVE-2023-38471 lists a fix boundary at 0.9. Compare the installed build with that boundary before you change production.

  • Version check

    Affected < 0.9

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-38471. EPSS is 0.33%. Act only if a listed version of A vulnerability was found is installed.

Which versions are affected?

Compare what you have installed with redhat/enterprise linux 8.0; redhat/enterprise linux 9.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-617. EPSS 0.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 2, 2023 · NIST NVD

    Detected

    A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function.

  2. Oct 28, 2026 · NIST NVD

    Updated

    A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function.

Sources

  • CVE.orgVulnerability recordCVE-2023-38471

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2023-38471

    A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 28, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 29, 2026
  • NIST NVDOct 28, 2026