CVE-2026-6532
wireshark: Wireshark: Denial of service via Kismet protocol dissector crash
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 30, 2026
Updated · July 2, 2026
Description
A flaw was found in Wireshark. A local user could exploit a crash in the Kismet protocol dissector by enticing a victim to open a specially crafted capture file. This vulnerability leads to a denial of service, making the application unavailable.
CVSS score applicability
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.
Mitigation
To mitigate this issue, users should avoid opening untrusted or suspicious capture files with Wireshark. This vulnerability requires user interaction to open a specially crafted file, and exercising caution with file sources can prevent exploitation.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-1286 · Improper Validation of Syntactic Correctness of Input