CVE-2023-38470

Reachable assertion in avahi_escape_label

MEDIUM
5.5
CVSS Score
Published: November 2, 2023 at 02:57 PM UTC
Updated: June 17, 2026 at 06:10 AM UTC
3 products affected across 3 vendorsEnterprise LinuxAvahiFedora

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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

Affected

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

v < 0.9
Affected range stops below 0.9, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 6 (unknown)
Vendor states this is fixed in 7 (unknown)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

VDB Entryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/security/cve/CVE-2023-38470
Issue Trackingx_refsource_REDHATThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2191690
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2024/12/msg00011.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-617

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