Dashboard / CVE-2026-6521

CVE-2026-6521

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2026-04-30 Modified: 2026-11-11 First seen: 2026-11-11 Status: active

Attack Surface

Low Complexity No Auth

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: Required
S: Unchanged
C: None
I: None
A: High

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

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
wireshark wireshark 4.4.0 – 4.4.14

References & Advisories (3)

https://gitlab.com/wireshark/wireshark/-/work_items/21182
Exploit Issue Tracking Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/work_items/21188
Exploit Issue Tracking Third Party Advisory

Bug Bounty Relevance

36 / 100
✓ No authentication
✓ Low complexity

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.14%
Raw Score 0.001430
Percentile 3.7%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00143
2026-11-13
0.00143
2026-11-12
0.00143
2026-11-10
0.00143

Intelligence Sources

nvd ref →

External Links