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CVE-2026-5404 - Vulnerability Analysis

MediumCVSS: 4.7

Last Updated: May 1, 2026

Wireshark - Denial of Service

Published: May 1, 2026Updated: May 1, 2026PoC Available

Overview

Wireshark 4.4.0 to 4.4.14 and 4.6.0 to 4.6.4 contain a denial of service caused by a crash in the K12 RF5 file parser, letting remote attackers cause application crash, exploit requires crafted file input.

Severity & Score

Severity: Medium
CVSS Score: 4.7

Impact

Remote attackers can cause application crash leading to denial of service.

Mitigation

Update to a version later than 4.6.4 or 4.4.14.

Details

CVE ID
CVE-2026-5404
Severity
Medium
CVSS Score
4.7
Type
undefined
Status
confirmed

CWE

  • CWE-120

CVSS Metrics

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