CVE-2026-15173

Heap-based Buffer Overflow in Wireshark

Published Jul 8, 2026 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of service

Remediation

Vendor Solution

Upgrade to version 4.6.7 or above

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wireshark
Wireshark wireshark
Vendors & Products Wireshark
Wireshark wireshark
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of service
Title Heap-based Buffer Overflow in Wireshark
Weaknesses CWE-122
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
Jul 9, 2026, 1:44 PM
Reserved
Jul 8, 2026, 8:46 PM
Status
Analyzed
Published
Jul 8, 2026, 9:16 PM
Modified
Oct 25, 2026, 5:10 PM
Severity
Moderate
Public date
Jul 8, 2026, 8:51 PM