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CVE-20XX-?

CVE-2026-5404

4.7 MEDIUM 0.1% exploit odds Fix listed Memory safety Library

What it is

K12 RF5 file parser crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

At a glance

Exploitability: Can be exploited locally on the machine without logging in, but needs a user to act. High risk of service disruption.
Exploit odds: 0.1% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-05-01 00:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 10:58 UTC Last updatedMost recent change to the record

Details

Published: 2026-05-01 00:16 UTC
Last modified: 2026-06-17 10:58 UTC
Exploit probability: 0.1% · EPSS, next 30 days
Weakness: CWE-120 · Classic buffer overflow
Record status: Analyzed

Affected

Wireshark < 4.4.15
Wireshark < 4.6.5

Attack profile CVSS 3.1 · 4.7

Attack vector: Local
Complexity: High
Privileges needed: None
User interaction: Required
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

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

Meme: I wake up, CVE-2026-5404

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Fix and advisories

https://www.wireshark.org/security/wnpa-sec-2026-15.html

References

NVD record · CVE.org record