CVE-2026-15173

MEDIUM

Heap-based Buffer Overflow in Wireshark

Title source: cna
STIX 2.1

Description

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

Scores

CVSS v3 4.7
EPSS 0.0009
EPSS Percentile 0.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-122
Status published
Products (2)
wireshark/wireshark 4.6.0 - 4.6.7
Wireshark Foundation/Wireshark 4.6.0 - 4.6.7
Published Jul 08, 2026
Tracked Since Jul 09, 2026