CVE-2026-6521

5.5 MEDIUM
Published: April 30, 2026 Modified: May 01, 2026
View on NVD

Description

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/work_items/21182
Source: cve@gitlab.com
Exploit Issue Tracking Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/work_items/21188
Source: cve@gitlab.com
Exploit Issue Tracking Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2026-39.html
Source: cve@gitlab.com
Vendor Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.0%
2th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-835

Affected Vendors

wireshark

Related CVEs

CVE-2026-42812 9.9
CVE-2026-42811 9.9
CVE-2026-42810 9.9
CVE-2026-42809 9.9
CVE-2026-42440 N/A