CVE-2026-0959 MEDIUM

CVE-2026-0959: Out-of-bounds Write in Wireshark

Vendor Wireshark Foundation
Product Wireshark
Weakness CWE-787
Published January 14, 2026
Last update March 27, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.2 and 4.4.0 to 4.4.12 allows denial of service

Key dates

02Disclosure timeline

January 14, 2026 CVE published
March 27, 2026 Record updated