CVE-2026-5403

Published: Apr 30, 2026

Modified: May 2, 2026

PUBLISHED

CVSS v3.1

7.8

HIGH

SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution

Vendor	Product	Versions
Wireshark Foundation	Wireshark	affected `4.6.0 - < 4.6.5` affected `4.4.0 - < 4.4.15`

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

issue-tracking

permissions-required

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.