Wireshark 4.4.18 fixes multiple vulnerabilities identified by CVE identifiers CVE-2026-19694 through CVE-2026-76929, which involve crashes in protocol dissectors and file parsers. These vulnerabilities cause the application to crash when processing specially crafted input files or network traffic, potentially leading to denial of service. The update resolves crashes in a wide range of protocols and file formats including Bluetooth, RDP, SSH, Kerberos, and various trace and log file parsers.

Exploitation of these vulnerabilities can cause Wireshark to crash, resulting in denial of service. There is no indication of remote code execution or data compromise in the provided information. The impact is primarily service disruption when parsing malicious or malformed input.

Users should update to Wireshark version 4.4.18 to remediate these vulnerabilities. This update contains official fixes for all listed crashes. No additional mitigation steps are indicated or required beyond applying the update.