CVE-2026-5402
TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution
- Wireshark
- ≤ 4.6.4
- Fix
- Available
- CVSS 3.1
- 8.8 HIGH
- EPSS
- 0.4% (32th percentile)
- Weakness
- CWE-122
- NVD status
- Modified
- Published
- 2026-04-30
Fix
Upgrade to version 4.6.5 or above
CVE-2026-5402 at NVD
No indexed exploits for CVE-2026-5402 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2026-5402 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.