Dissector Crash Vulnerability in Wireshark by the Vendor's Team
CVE-2026-6526

5.5MEDIUM

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
30 April 2026

What is CVE-2026-6526?

A vulnerability has been identified in Wireshark versions 4.6.0 through 4.6.4, specifically impacting the handling of RTSP protocol dissectors. This flaw can result in a crash when processing certain RTSP packets, potentially allowing for denial-of-service attacks. Users and administrators are advised to update to the latest version to mitigate this risk. For more details, refer to the official security advisory and associated work items provided by the Wireshark team.

Affected Version(s)

Wireshark 4.6.0 < 4.6.5

References

https://www.wireshark.org/security/wnpa-sec-2026-35.html
https://gitlab.com/wireshark/wireshark/-/work_items/21173

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
.