PT-2026-56599 · Wireshark Foundation · Wireshark

Mitchell Benjamin · Published 2026-07-08 · Updated 2026-07-08 · CVE-2026-15173

Mitre

CVSS v3.1

4.7

Medium

Base vector

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

pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of service

Fix

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-15173

Affected Products

Wireshark

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-15173 · Security Note
• https://gitlab.com/wireshark/wireshark/-/work_items/21285 · Note
• https://wireshark.org/security/wnpa-sec-2026-53.html · Note