Description
HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service
Scores
CVSS v3
4.7
EPSS
0.0001
EPSS Percentile
2.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-835
Status
published
Products (2)
wireshark/wireshark
4.4.0 - 4.4.13
Wireshark Foundation/Wireshark
4.6.0 - 4.6.3
Published
Jan 14, 2026
Tracked Since
Feb 18, 2026