CMS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

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Fixes

Solution

Upgrade to version 4.6.8 or above


Workaround

No workaround given by the vendor.

History

Fri, 21 Aug 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, 20 Aug 2026 01:30:00 +0000

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

Wed, 19 Aug 2026 23:00:00 +0000

Type Values Removed Values Added
Description CMS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Title Use After Free in Wireshark
Weaknesses CWE-416
References
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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-08-20T15:26:29.457Z

Reserved: 2026-08-19T22:44:30.531Z

Link: CVE-2026-76921

cve-icon Vulnrichment

Updated: 2026-08-20T15:22:58.709Z

cve-icon NVD

Status : Received

Published: 2026-08-19T23:16:20.840

Modified: 2026-08-20T16:18:27.640

Link: CVE-2026-76921

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-20T08:45:12Z

Weaknesses