Description
HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service
Metrics
CVSS 3.1 5.5/10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Wireshark Foundation | Wireshark | >= 4.6.0, < 4.6.3 |
References
- https://gitlab.com/wireshark/wireshark/-/issues/20944Exploit, Issue Tracking, Patch, Vendor Advisory
- https://www.wireshark.org/security/wnpa-sec-2026-04.htmlVendor Advisory
Timeline
- Published
- Jan 14, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed