CVE-2026-3203 MEDIUM

CVE-2026-3203: Buffer Over-read in Wireshark

Vendor Wireshark Foundation
Product Wireshark
Weakness CWE-126
Published February 25, 2026
Last update March 27, 2026
View on NVD All CVEs

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

RF4CE Profile protocol dissector crash in Wireshark 4.6.0 to 4.6.3 and 4.4.0 to 4.4.13 allows denial of service

Key dates

02Disclosure timeline

February 25, 2026 CVE published
March 27, 2026 Record updated