Denial of Service Vulnerability in Wireshark by The Wireshark Foundation
CVE-2026-5653

5.5MEDIUM

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
30 April 2026

What is CVE-2026-5653?

A denial of service vulnerability in Wireshark, caused by the DCP-ETSI protocol dissector, can lead to a crash when processing specially crafted packets. This issue affects Wireshark versions 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14, posing risks for network analysis and monitoring. Users should upgrade to the latest version to mitigate this vulnerability and ensure continuous network integrity.

Affected Version(s)

Wireshark 4.6.0 < 4.6.5

Wireshark 4.4.0 < 4.4.15

References

https://www.wireshark.org/security/wnpa-sec-2026-22.html
https://gitlab.com/wireshark/wireshark/-/issues/21122
issue-trackingpermissions-required

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alexandre de Oliveira
.