CVE-2026-15171

A flaw was found in Wireshark's SSH (Secure Shell) protocol dissector. A remote attacker could craft a malicious network capture file that, when opened by a user, would cause the Wireshark application to crash. This vulnerability leads to a denial of service, preventing the user from analyzing network traffic.

Moderate: A denial of service flaw exists in Wireshark's SSH protocol dissector, where processing a specially crafted network capture file can lead to application termination. This issue requires user interaction to open a malicious file, limiting its impact to the availability of the Wireshark application for network traffic analysis.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Users should avoid opening untrusted or suspicious network capture files with Wireshark. Running Wireshark in a sandboxed environment can further limit the impact of potential crashes. No direct configuration options are available to prevent this flaw without affecting Wireshark's core functionality.