CVE-2026-6520 - Vulnerability Analysis
MediumCVSS: 5.5Last Updated: May 1, 2026
Wireshark - Denial of Service
Published: April 30, 2026Updated: May 1, 2026PoC Available
Overview
Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 contain an infinite loop vulnerability in the OpenFlow v6 protocol dissector, letting remote attackers cause denial of service, exploit requires crafted packets.
Severity & Score
Severity: Medium
CVSS Score: 5.5
Impact
Attackers can cause denial of service by triggering an infinite loop in the protocol dissector.
Mitigation
Update to the latest version beyond 4.6.4 or 4.4.14.
References
Related Resources
Details
- CVE ID
- CVE-2026-6520
- Severity
- Medium
- CVSS Score
- 5.5
- Type
- denial_of_service
- Status
- confirmed
CWE
- CWE-835
CVSS Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H