How severe is CVE-2023-38470?

CVE-2023-38470 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-38470 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38470?

CVE-2023-38470 primarily affects Redhat Enterprise Linux. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-38470?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-38470 published?

CVE-2023-38470 was published on 2023-11-02 and last updated on 2026-06-17.

CVE-2023-38470

CVE-2023-38470 is a medium-severity vulnerability in Redhat Enterprise Linux with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-617.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-617
Affected product: Redhat Enterprise Linux
Published: 2023-11-02
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-38470?: A vulnerability was found in Avahi. A reachable assertion exists in the avahi_escape_label() function.
How severe is CVE-2023-38470?: CVE-2023-38470 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-38470 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38470?: CVE-2023-38470 primarily affects Redhat Enterprise Linux. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-38470?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-38470 published?: CVE-2023-38470 was published on 2023-11-02 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:avahi:avahi:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

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