Denial of Service Vulnerability in Wireshark by the Vendor Wireshark
CVE-2026-6870

5.5MEDIUM

Key Information:

Vendor: Wireshark
Status: Wireshark
Vendor: CVE Published:; 30 April 2026

What is CVE-2026-6870?

A vulnerability in the GSM RP protocol dissector of Wireshark allows attackers to cause a crash, leading to a denial of service condition. This issue specifically affects multiple versions of Wireshark, making them susceptible to exploitation through specially crafted packets, and could potentially interrupt critical network analysis tasks. Users are advised to upgrade to the latest versions to mitigate this risk.

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-2026-43.html

https://gitlab.com/wireshark/wireshark/-/work_items/21189

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

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Apr 30, 2026
Vulnerability Reserved
Apr 22, 2026

Credit

TODO

CVE-2026-6870 Data

JSON