Denial of Service Vulnerability in Wireshark by The Wireshark Foundation
CVE-2026-76890

3.1LOW

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
19 August 2026

What is CVE-2026-76890?

A vulnerability in Wireshark versions 4.4.0 through 4.4.18 and 4.6.0 through 4.6.7 allows an attacker to cause a denial of service condition through a crash in the sharkd process. This can disrupt network analysis functionalities and may lead to service interruptions.

Affected Version(s)

Wireshark 4.6.0 < 4.6.8

Wireshark 4.4.0 < 4.4.18

References

https://www.wireshark.org/security/wnpa-sec-2026-65.html
https://gitlab.com/wireshark/wireshark/-/work_items/21399

CVSS V3.1

Score:
3.1
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Claude and Ada Logics
.