CVE-2025-13946

MEDIUM EPSS 2.5%
Published Dec 3, 20257mo ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Dec 3, 2025 7mo ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
2.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-835

Affected Products 2

VendorProductVersionRange
wiresharkwireshark*≥4.4.0  –  <4.4.12
wiresharkwireshark*≥4.6.0  –  <4.6.2

References 2

  • gitlab.com https://gitlab.com/wireshark/wireshark/-/issues/20884
    ExploitIssue TrackingThird Party Advisory
  • wireshark.org https://www.wireshark.org/security/wnpa-sec-2025-08.html
    Issue TrackingVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.