Denial of Service Vulnerability in Sharkd Affected by Wireshark
CVE-2026-76891

3.1LOW

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
19 August 2026

What is CVE-2026-76891?

A vulnerability has been identified in the Sharkd service of Wireshark impacting versions 4.6.0 through 4.6.7 and 4.4.0 through 4.4.18. This issue allows attackers to exploit the service, leading to potential Denial of Service (DoS) conditions, which might impact the functionality and availability of the application. Users are advised to apply the latest patches to mitigate this risk.

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-2026-64.html
https://gitlab.com/wireshark/wireshark/-/work_items/21395

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
.