Name: CVE-2026-5402: Heap-based Buffer Overflow
Creator: Rapid7
Published: 2026-04-30T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-5402, CWE-122, CVSS 8.8, EPSS 0.00654

TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution

CVSS Details

CVSS 3.1 Base Score: 8.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Wireshark	—	Upgrade to Wireshark version 4.6.5	May 4, 2026	May 4, 2026

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CVSS Details

Covered by Rapid7

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