CVE-2026-5401: Uncontrolled Recursion in Wireshark
Published Apr 30, 2026
·Updated
AFP Spotlight protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Affected Software
3 affected components
Wireshark Wireshark>=4.6.0<=4.6.4, >=4.4.0<=4.4.14
Wireshark Wireshark>=4.4.0<=4.4.14
Wireshark Wireshark>=4.6.0<=4.6.4
Remediation
Information
Upgrade to version 4.6.5 or above
Event History
Apr 30, 2026
CVE Published
via MITRE·05:39 AM
Data Sourced
via MITRE·05:39 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-5401?
CVE-2026-5401 has a severity rating that indicates it can lead to a denial of service due to uncontrolled recursion in the Wireshark AFP Spotlight protocol dissector.
2
How do I fix CVE-2026-5401?
To fix CVE-2026-5401, you should upgrade Wireshark to the latest version beyond 4.6.4 or 4.4.14.
3
Which versions of Wireshark are affected by CVE-2026-5401?
Wireshark versions 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 are affected by CVE-2026-5401.
4
What impact does CVE-2026-5401 have on users?
Users may experience a crash of Wireshark when processing specific packets due to the uncontrolled recursion vulnerability.
5
Is there a known exploit for CVE-2026-5401?
There is no public information indicating an active exploit for CVE-2026-5401 at this time.