CVE-2026-5405

RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gitlab.com/wireshark/wireshark/-/issues/21105	Exploit Issue Tracking Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2026-17.html	Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:20600
https://access.redhat.com/errata/RHSA-2026:26182
https://access.redhat.com/security/cve/CVE-2026-5405
https://bugzilla.redhat.com/show_bug.cgi?id=2464273
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5405.json

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:wireshark:wireshark::::::::
	cpe:2.3:a:wireshark:wireshark::::::::

History

26 Oct 2026, 00:10

Type	Values Removed	Values Added
Summary		(es) Fallo del disector del protocolo RDP en Wireshark 4.6.0 a 4.6.4 y 4.4.0 a 4.4.14 permite denegación de servicio y posible ejecución de código

Information

Published : 2026-05-01 00:16

Updated : 2026-10-26 00:10

NVD link : CVE-2026-5405

Mitre link : CVE-2026-5405

CVE.ORG link : CVE-2026-5405

JSON object : View

Products Affected

wireshark

wireshark

CWE

CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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