Infinite loop Affecting wireshark package, versions [4.4.0,4.4.12)[4.6.0,4.6.2)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.01% (2nd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-WIRESHARK-14192440
  • published5 Dec 2025
  • disclosed3 Dec 2025
  • creditUnknown

Introduced: 3 Dec 2025

NewCVE-2025-13946  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade wireshark to version 4.4.12, 4.6.2 or higher.

Overview

Affected versions of this package are vulnerable to Infinite loop in the MEGACO dissector process. An attacker can cause the application to enter an infinite loop and crash by providing a specially crafted pcap file.

Workaround

This vulnerability can be mitigated by disabling the MEGACO protocol dissectors via the Enabled Protocols dialog box in the Wireshark GUI application or by configuring the disabled_protos option.

CVSS Base Scores

version 4.0
version 3.1