CVE-2025-13945

MEDIUM

Wireshark 4.6.0-4.6.1 - Denial of Service in HTTP3 Dissector

Title source: llm
STIX 2.1

Description

HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service

References (2)

Core 2
Core References
Exploit, Issue Tracking, Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2025-07.html
Exploit, Issue Tracking, Patch, Third Party Advisory issue-tracking permissions-required
https://gitlab.com/wireshark/wireshark/-/issues/20860

Scores

CVSS v3 5.5
EPSS 0.0004
EPSS Percentile 12.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-1325
Status published
Products (2)
wireshark/wireshark 4.6.0 - 4.6.2
Wireshark Foundation/Wireshark 4.6.0 - 4.6.1
Published Dec 03, 2025
Tracked Since Feb 18, 2026