Resource exhaustion in Wireshark - #VU128657

 

Resource exhaustion in Wireshark - #VU128657

Published: April 30, 2026


Vulnerability identifier: #VU128657
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Wireshark.org
Affected software:
Wireshark

Detailed vulnerability description

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to uncontrolled resource consumption in sharkd utility when handling requests. A remote attacker can send crafted requests to cause a denial of service.

The issue could leak memory and may also cause excessive CPU consumption.


Remediation

Install security update from vendor's website.

Sources