CVE-2026-5404

Severity CVSS v4.0:

Pending analysis

Type:

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Publication date:

01/05/2026

Last modified:

01/05/2026

Description

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

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 4.70 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

4.70

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:wireshark:wireshark::::::::	4.4.0 (including)	4.4.15 (excluding)
cpe:2.3:a:wireshark:wireshark::::::::	4.6.0 (including)	4.6.5 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-5404

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools