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  4. CVE 2023 38472 reachable assertion in avahirdataparse
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Back to active CVEs
Medium · CVSS 6.2CVE-2023-38472

Reachable assertion in avahi_rdata_parseCVE-2023-38472

Answer in brief

CVE-2023-38472 records a Medium severity (CVSS 6.2) vulnerability in Reachable assertion in avahi_rdata_parse. The current sources do not mark it as known exploited. The current feed maps avahi/avahi (generic), Red Hat/avahi (generic), Fedora/avahi (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 2, 2023Updated Oct 28, 2026Source checked Oct 28, 2026First seen by HOL Oct 28, 2026Material review Oct 28, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.2
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 6.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps avahi/avahi (generic), Red Hat/avahi (generic), Fedora/avahi (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
avahi/avahigeneric>=0 <0.9-rc10.9-rc1
Red Hat/avahigeneric*Not reported
Fedora/avahigeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for avahi/avahi, Red Hat/avahi, Fedora/avahi.
  2. 2Review the reported fix. Update avahi/avahi to 0.9-rc1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 2, 2023

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 28, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 28, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • Source referencelists.debian.org
Upstream source description

A vulnerability was found in Avahi. A reachable assertion exists in the avahi_rdata_parse() function.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-617
Source
CVE List V5
Source checked
Oct 28, 2026
References
3 linked sources
Open source record