C12.22 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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Advisories

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Fixes

Solution

Upgrade to version 4.6.8 or above


Workaround

No workaround given by the vendor.

History

Thu, 20 Aug 2026 01:15:00 +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 C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Title Stack-based Buffer Overflow in Wireshark
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-08-20T15:26:30.512Z

Reserved: 2026-08-19T22:34:00.090Z

Link: CVE-2026-76879

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-19T23:16:18.700

Modified: 2026-08-20T16:18:21.780

Link: CVE-2026-76879

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-20T08:00:03Z

Weaknesses