CVE-2026-76881

Received Received - Intake

CMS Protocol Dissector Crash in Wireshark

Publication date: 2026-08-19

Last updated on: 2026-08-19

Assigner: GitLab Inc.

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

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-19

Last Modified

2026-08-19

Generated

2026-08-20

AI Q&A

2026-08-20

EPSS Evaluated

N/A

NVD

CVE-2026-76881

EUVD

EUVD-2026-63138

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

Executive Summary

This vulnerability is a denial of service issue in CMS protocol dissectors affecting versions 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18. It causes a crash in the dissector, leading to service disruption.

Impact Analysis

The vulnerability allows an attacker to cause a denial of service by crashing the CMS protocol dissector. This could lead to service unavailability or degraded performance for systems using affected versions.

Mitigation Strategies

Update the affected CMS protocol dissector to a version outside the vulnerable range (4.6.0 to 4.6.7 and 4.4.0 to 4.4.18).

Hi! I’m here to help you understand CVE-2026-76881. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70