CVE-2026-15165

TLS ECH decryptor crash in Wireshark 4.6.0 to 4.6.6 allows denial of service

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gitlab.com/wireshark/wireshark/-/work_items/21390	Exploit Issue Tracking Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2026-56.html	Vendor Advisory
https://gitlab.com/wireshark/wireshark/-/work_items/21390	Exploit Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

History

25 Oct 2026, 17:10

Type	Values Removed	Values Added
Summary		(es) Caída del descifrador TLS ECH en Wireshark 4.6.0 a 4.6.6 permite denegación de servicio

Information

Published : 2026-07-08 21:16

Updated : 2026-10-25 17:10

NVD link : CVE-2026-15165

Mitre link : CVE-2026-15165

CVE.ORG link : CVE-2026-15165

JSON object : View

Products Affected

wireshark

wireshark

CWE

CWE-122

Heap-based Buffer Overflow

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