What is CVE-2023-0414?

CVE-2023-0414 is a medium-severity vulnerability in Wireshark, classified under Improper Resource Shutdown or Release. CVSS score: 6.3/10. Published 2023-01-26.

How severe is CVE-2023-0414?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Wireshark

CVE-2023-0414

Crash in the EAP dissector in Wireshark 4.0.0 to 4.0.2 allows denial of service via packet injection or crafted capture file

Published 2023-01-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.008 (55.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Wireshark
Wireshark Foundation — versions >=4.0.0, <4.0.3

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

References

www.wireshark.org/security/wnpa-sec-2023-01.html (Vendor Advisory)
gitlab.com/wireshark/wireshark/-/issues/18622 (Patch, Third Party Advisory, Issue Tracking)
gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0414.json (Third Party Advisory)

Frequently asked questions

What is CVE-2023-0414?: CVE-2023-0414 is a medium-severity vulnerability in Wireshark, classified under Improper Resource Shutdown or Release. CVSS score: 6.3/10. Published 2023-01-26.
How severe is CVE-2023-0414?: Medium severity. CVSS v3 base score is 6.3 out of 10.