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CVE-2025-13946

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Date: December 3, 2025

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

Severity Score

Related Resources (4)

https://gitlab.com/wireshark/wireshark/-/issues/20884
https://www.wireshark.org/security/wnpa-sec-2025-08.html
https://nvd.nist.gov/vuln/detail/CVE-2025-13946
https://www.mend.io/vulnerability-database/CVE-2025-13946

Severity Score

Weakness Type (CWE)

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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