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7.5
Wireshark crashes when analyzing NTS-KE protocol packets
CVE-2026-3202
Summary
A bug in Wireshark can cause the program to crash if it tries to analyze certain types of NTS-KE protocol packets. This could potentially disrupt network analysis, but it doesn't allow hackers to access or steal sensitive information. Upgrade to Wireshark 4.6.4 or later to resolve the issue.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| wireshark | wireshark | > 4.6.0 , <= 4.6.4 | – |
Original title
NTS-KE protocol dissector crash in Wireshark 4.6.0 to 4.6.3 allows denial of service
Original description
NTS-KE protocol dissector crash in Wireshark 4.6.0 to 4.6.3 allows denial of service
nvd CVSS3.1
7.5
Vulnerability type
CWE-476
NULL Pointer Dereference
- https://gitlab.com/wireshark/wireshark/-/issues/21000 Issue Tracking
- https://www.wireshark.org/security/wnpa-sec-2026-06.html Vendor Advisory
Published: 25 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026