Denial of Service Vulnerability in Wireshark SDP Protocol Dissector
CVE-2026-5655

5.5MEDIUM

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
30 April 2026

What is CVE-2026-5655?

A vulnerability has been identified in the SDP protocol dissector of Wireshark versions 4.6.0 to 4.6.4. This flaw can lead to a crash of the application, resulting in a denial of service which disrupts network analysis capabilities. Attackers may exploit this vulnerability to cause significant service interruption, thereby affecting the reliability of network monitoring and troubleshooting.

Affected Version(s)

Wireshark 4.6.0 < 4.6.5

References

https://www.wireshark.org/security/wnpa-sec-2026-19.html
https://gitlab.com/wireshark/wireshark/-/issues/21112
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

Huang Qiangxiong
.