SMB2 protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 30, 2026 · NIST NVD

   Detected

   SMB2 protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

2. Jun 17, 2026 · NIST NVD

   Updated

   SMB2 protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Affected

• cpe wireshark/wiresharkversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-6867

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-6867

  SMB2 protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

  nvd.nist.gov

References

• Exploit · gitlab.com
• Vendor Advisory · wireshark.org