CVE-2026-7378 MEDIUM

CVE-2026-7378: Heap-based Buffer Overflow in Wireshark

Vendor Wireshark Foundation
Product Wireshark
Weakness CWE-122
Published April 30, 2026
Last update April 30, 2026

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Key dates

02Disclosure timeline

April 30, 2026 CVE published
April 30, 2026 Record updated