Input validation error in Wireshark - #VU142305
Published: August 13, 2026
Vulnerability identifier: #VU142305
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper input validation in the Gammu DCT3 trace file parser when parsing a malformed packet capture file. A local user can trick the victim into opening a crafted file to cause a denial of service.
User interaction is required to open the crafted packet capture file.
Affected software
Wireshark
Remediation
Install security update from vendor's website.
Wireshark - update to 4.6.8