CVE-2023-38470medium6.2

Reachable assertion in avahi_escape_label

Impact

A reachable assertion exists in Avahi's avahi_escape_label function, affecting versions less than 0.9-rc1. The impact is unclear. Local access may be required.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

avahi · redhat

avahi

1 range

redhat version evidence

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affected

0 → before 0.9-rc1

semver versions

Other versions: unaffected

Red Hat · redhat

Red Hat Enterprise Linux 6

0 ranges

redhat version evidence

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Other versions: unknown

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:6

Red Hat · redhat

Red Hat Enterprise Linux 7

0 ranges

redhat version evidence

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Other versions: unknown

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:7

Red Hat · redhat

Red Hat Enterprise Linux 8

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:8

Red Hat · redhat

Red Hat Enterprise Linux 9

0 ranges

redhat version evidence

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Other versions: affected

Product identifiers (CPE)

cpe:/o:redhat:enterprise_linux:9

Fedora · redhat

Fedora

0 ranges

redhat version evidence

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Other versions: affected

Original source description

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

Inside the record

Evidence available

Package identity · not supplied

Version evidence

Remediation guidance · not supplied

Weakness classification

Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2023-38470

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-617 ↗

Reachable Assertion

redhat

Contributing organizations · 3

redhat

Assigning organization

2026-10-28

CVE

Additional data publisher

2025-11-03

CISA-ADP

Additional data publisher

2024-08-29

What changed

Follow changes

No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.

References

3 sources

access.redhat.com/security/cve/CVE-2023-38470

vdb-entryredhat · CVE

bugzilla.redhat.com/show_bug.cgi

issue-trackingredhat · CVE

lists.debian.org/debian-lts-announce/2024/12/msg00011.html

Source referenceCVE

Priority and evidence

Not in CISA KEVNo package fix recorded

KEV coverage does not rule out exploitation.

KEV checked 31/10/2026, 08:35:32 UTC

redhat · CVSS:3.1 · 6.2

Assessment vector

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

Reading the signals

Severity · CVSS: Technical impact and attack conditions. The headline is the highest imported catalog score; sources may disagree.
Observed exploitation · KEV: An absent or unavailable KEV listing does not establish that exploitation has not occurred.
Predicted exploitation · EPSS: 0.32% estimated probability in the next 30 days. 2026-10-28 · FIRST EPSS.

CISA-ADP · SSVC

CISA Coordinator · 2024-08-29

Exploitation: none
Automatable: no
Technical Impact: partial

SSVC describes the publisher’s decision context. Your organization’s exposure and priorities may differ.

Record details

Published: 02/11/2023, 14:57:28 UTC
Modified: 28/10/2026, 16:43:04 UTC
Last imported by cve.new: 29/10/2026, 14:05:11 UTC
Aliases: None recorded

Source evidence

Request a correction or dispute

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Find the responsible CNA →Official dispute and escalation process ↗

CVE CVE-2023-38470

Enrichment coverage

NVDAvailable

Checked 28/10/2026, 17:00:41 UTC

GHSAAvailable

Checked 28/10/2026, 17:00:42 UTC

EUVDAvailable

Checked 28/10/2026, 17:00:42 UTC

EPSSAvailable

Checked 28/10/2026, 17:00:40 UTC

Additional source evidence

FIRST EPSS · CVE-2023-38470

EPSS 0.32% probability of exploitation in the next 30 days. Percentile: 24.86% · 2026-10-28

Checked 28/10/2026, 17:00:40 UTC

NVD · CVE-2023-38470

CVSS 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Checked 28/10/2026, 17:00:41 UTC

NVD · CVE-2023-38470

CVSS 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Checked 28/10/2026, 17:00:41 UTC

ENISA EUVD · EUVD-2023-42286

CVSS 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Checked 28/10/2026, 17:00:42 UTC

GitHub Advisory Database · GHSA-mg8v-g9mc-p4f8

CVSS 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Checked 28/10/2026, 17:00:42 UTC

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