CVE-2026-5409

Name: CVE-2026-5409
Creator: NVD / NIST
Published: 2026-04-30T07:16:38.383+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.14%

Last modified Jun 17, 2026

CVE-2026-5409 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Monero protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

Description

Monero protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.14%

4.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-674

Affected Software

Vendor	Product	Versions
Wireshark	Wireshark	>= 4.4.0, <= 4.4.14
Wireshark	Wireshark	>= 4.6.0, <= 4.6.4

References

https://gitlab.com/wireshark/wireshark/-/issues/21066Exploit, Issue Tracking, Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2026-08.htmlVendor Advisory
https://gitlab.com/wireshark/wireshark/-/work_items/21066Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Apr 30, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-5409?

Monero protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

How severe is CVE-2026-5409?

CVE-2026-5409 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.

How do I fix CVE-2026-5409?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-5409?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST