CVE-2026-6521 in Wireshark

Sumário

de VulDB • 23/05/2026

Il dissector del protocollo OpenFlow v5 causa loop infiniti in Wireshark 4.6.0 fino a 4.6.4 e 4.4.0 fino a 4.4.14, consentendo un attacco di denial of service (DoS).

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• Responsável: GitLab
• Reservar: 17/04/2026
• Divulgação: 30/04/2026
• Moderação: aceite
• Entrada: VDB-360268
• CPE: pronto
• CWE: CWE-835 (confirmado)
• CVSS: 5.5 (CNA)
• EPSS: 0.00016
• KEV: não
• Atividades: muito baixo
• Sector: Police, Telecommunication, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-6521
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-6521
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-6521/