Dashboard / CVE-2026-6520

CVE-2026-6520

HIGH
MEDIUM Priority: 0.01 BB Relevance: 75/100
Published: 2026-04-30 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

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

Description

OpenFlow v6 protocol dissector infinite loop 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 (2)

VendorProductVersion
wireshark wireshark 4.4.0 – 4.4.14
wireshark wireshark 4.6.0 – 4.6.4

References & Advisories (2)

https://gitlab.com/wireshark/wireshark/-/work_items/21181
Exploit Issue Tracking Third Party Advisory

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.17%
Raw Score 0.001710
Percentile 6.5%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00171
2026-10-28
0.00171

Intelligence Sources

nvd ref →

External Links