Denial of Service Vulnerability in Wireshark by the Vendor Wireshark
CVE-2026-6868

5.5MEDIUM

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
30 April 2026

What is CVE-2026-6868?

The Wireshark application, widely used for network traffic analysis, contains a flaw within its HTTP protocol dissector that can lead to a crash of the application. This vulnerability affects specific versions of Wireshark (4.6.0 through 4.6.4 and 4.4.0 through 4.4.14), creating a potential denial of service condition when exploited. Users are strongly advised to upgrade to a patched version to mitigate this issue and maintain the integrity of their network analysis activities.

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-2026-46.html
https://gitlab.com/wireshark/wireshark/-/work_items/21185

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

Sharon Brizinov
.