CVE-2026-6528 - Vulnerability Details - OpenCVE

TLS protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 allows denial of service

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Wireshark	Wireshark

Configuration 1 [-]

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

No data.

References

Link	Providers
https://gitlab.com/wireshark/wireshark/-/work_items/21147
https://gitlab.com/wireshark/wireshark/-/work_items/21151
https://www.wireshark.org/security/wnpa-sec-2026-33.html

History

Fri, 01 May 2026 19:30:00 +0000

Type	Values Removed	Values Added
CPEs		cpe:2.3:a:wireshark:wireshark::::::::

Thu, 30 Apr 2026 16:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 30 Apr 2026 08:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Wireshark Wireshark wireshark
Vendors & Products		Wireshark Wireshark wireshark

Thu, 30 Apr 2026 06:30:00 +0000

Type	Values Removed	Values Added
Description		TLS protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 allows denial of service
Title		Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
Weaknesses		CWE-835
References		https://gitlab.com/wireshark/wireshark/-/work_items/21147 https://gitlab.com/wireshark/wireshark/-/work_items/21151 https://www.wireshark.org/security/wnpa-sec-2026-33.html
Metrics		cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}`

MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2026-04-30T05:36:04.243Z

Updated: 2026-04-30T15:19:29.664Z

Reserved: 2026-04-17T15:05:52.689Z

Link: CVE-2026-6528

Vulnrichment

Updated: 2026-04-30T15:00:27.144Z

NVD

Status : Analyzed

Published: 2026-04-30T07:16:40.013

Modified: 2026-05-01T19:28:42.117

Link: CVE-2026-6528

Redhat

No data.

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