PT-2026-56593 · Wireshark Foundation · Wireshark

Published 2026-07-08 · Updated 2026-07-08 · CVE-2026-15166

NVD

CVSS v3.1

5.5

Medium

Base vector

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

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Fix

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

CVE-2026-15166

Affected Products

Wireshark

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-15166 · Security Note
• https://gitlab.com/wireshark/wireshark/-/work_items/21391 · Note
• https://wireshark.org/security/wnpa-sec-2026-57.html · Note