Input validation error in Wireshark - #VU128665
Published: April 30, 2026
Vulnerability identifier: #VU128665
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in sharkd utility when handling requests. A remote attacker can send a crafted request to cause a denial of service.
Affected software
Wireshark
Remediation
Install security update from vendor's website.
Wireshark - addressed in versions 4.4.15, 4.6.5