Denial of Service Vulnerability in Wireshark by The Wireshark Foundation
CVE-2026-7375

5.5MEDIUM

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
30 April 2026

What is CVE-2026-7375?

An infinite loop vulnerability exists in the UDS protocol dissector in specific versions of Wireshark. This flaw can lead to a denial of service condition, causing the application to hang indefinitely when processing certain inputs. Users operating Wireshark versions 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 may experience interruptions in service, ultimately impacting network analysis capabilities. It's crucial for users to update to a patched version to mitigate the risk associated with this vulnerability.

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-2026-50.html
https://gitlab.com/wireshark/wireshark/-/work_items/21225

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

Jaime Cavero
.