HTTP3 dissector crash in Wireshark 4.2.0 allows denial of service via packet injection or crafted capture file
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade wireshark | Jul 27, 2026 | Jul 27, 2026 |
| Suse | — | Upgrade libwsutil15Upgrade libwiretap14Upgrade libwsutil16Upgrade libwiretap15Upgrade wireshark-ui-qtUpgrade wireshark-develUpgrade wiresharkUpgrade libwireshark17Upgrade libwireshark18 | Sep 10, 2024 | Jan 3, 2024 |
| Wireshark | — | Upgrade to Wireshark version 4.2.1 | Sep 24, 2024 | Jan 3, 2024 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub