Wireshark Vulnerabilities
Comprehensive security vulnerability database for Wireshark products
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Severity Distribution
| Description | Vendor / Product | Exploit Status | |||
|---|---|---|---|---|---|
| CVE-2026-3203 | 7.5 | This vulnerability allows an attacker to crash Wireshark, causing a denial of service, which means users can't analyze network traffic while the program is down. It affects specific versions of Wireshark and can be triggered by sending specially crafted RF4CE Profile protocol packets to the application. | wiresharkwireshark | Exploit Available | about 1 month agoFeb 25, 2026 |
| CVE-2026-3202 | 7.5 | An attacker can cause Wireshark to crash, leading to a denial of service, by sending specially crafted packets that exploit a flaw in how the software processes the NTS-KE protocol. This vulnerability affects versions 4.6.0 to 4.6.3, so users running these versions are at risk. | wiresharkwireshark | Exploit Available | about 1 month agoFeb 25, 2026 |
| CVE-2026-3201 | 7.5 | An attacker can cause Wireshark to crash by sending specially crafted USB HID protocol data, leading to a denial of service. This vulnerability affects specific versions of Wireshark, so users running those versions are at risk if they analyze malicious data. | wiresharkwireshark | Exploit Available | about 1 month agoFeb 25, 2026 |
About Wireshark Security
This page tracks all publicly disclosed security vulnerabilities (CVEs) affecting Wireshark products. Our database is updated in real-time from the National Vulnerability Database (NVD) and enriched with exploit information from GitHub and other security research sources.
Each CVE listing includes CVSS severity scores, exploit availability status, AI-powered vulnerability summaries, and links to official patches and security advisories.