CVE-2025-13945

MEDIUM EPSS 3.0%
Published Dec 3, 20256mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Dec 3, 2025 6mo ago
Last Modified Jun 17, 2026 1w ago

Description

HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 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
3.0% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-1325

Affected Products 1

VendorProductVersionRange
wiresharkwireshark*≥4.6.0  –  <4.6.2

References 2

  • gitlab.com https://gitlab.com/wireshark/wireshark/-/issues/20860
    ExploitIssue TrackingPatchThird Party Advisory
  • wireshark.org https://www.wireshark.org/security/wnpa-sec-2025-07.html
    ExploitIssue TrackingVendor Advisory

Remediation

  • gitlab.com https://gitlab.com/wireshark/wireshark/-/issues/20860
    ExploitIssue TrackingPatchThird Party Advisory