Wireshark MEGACO Dissector DoS via Infinite Loop (4.4.0-4.4.11,4.6.0-4.6.1)
CVE-2025-13946 Published on December 3, 2025
Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
MEGACO dissector infinite loop in Wireshark 4.6.0 to 4.6.1 and 4.4.0 to 4.4.11 allows denial of service
Vulnerability Analysis
CVE-2025-13946 is exploitable with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is an Infinite Loop Vulnerability?
The program contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. If the loop can be influenced by an attacker, this weakness could allow attackers to consume excessive resources such as CPU or memory.
CVE-2025-13946 has been classified to as an Infinite Loop vulnerability or weakness.
Products Associated with CVE-2025-13946
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Affected Versions
Wireshark Foundation Wireshark:- Version 4.6.0 and below 4.6.1 is affected.
- Version 4.4.0 and below 4.4.11 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.