CVE-2026-5402
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.6.0 < 4.6.5 | affected |
Weaknesses
- CWE-122: CWE-122: Heap-based Buffer Overflow
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
wireshark: Heap-based Buffer Overflow in Wireshark
Additional References
- https://access.redhat.com/security/cve/CVE-2026-5402
- https://bugzilla.redhat.com/show_bug.cgi?id=2464038
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5402.json
References
- https://www.wireshark.org/security/wnpa-sec-2026-14.html
- https://gitlab.com/wireshark/wireshark/-/issues/21090
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