CVE-2026-5401
wireshark: Wireshark: Denial of service via AFP Spotlight 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. An attacker could craft a malicious network trace file that, when opened by a user, would trigger a crash in the AFP Spotlight protocol dissector. 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 network trace files with Wireshark. Exercise caution when handling files from unknown sources to prevent triggering the denial of service.
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-1287 · Improper Validation of Specified Type of Input