CVE-2026-6532

MEDIUM

Buffer Over-read in Wireshark

Title source: cna
STIX 2.1

Description

Kismet protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

References (4)

Core 4
Core References
Exploit, Issue Tracking, Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/work_items/21129
Issue Tracking, Permissions Required issue-tracking permissions-required
GitLab Issue #21129
https://gitlab.com/wireshark/wireshark/-/issues/21129
Issue Tracking, Permissions Required issue-tracking permissions-required
GitLab Issue #21128
https://gitlab.com/wireshark/wireshark/-/issues/21128

Scores

CVSS v3 5.5
EPSS 0.0019
EPSS Percentile 9.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-126
Status published
Products (3)
wireshark/wireshark 4.4.0 - 4.4.14
Wireshark Foundation/Wireshark 4.4.0 - 4.4.15
Wireshark Foundation/Wireshark 4.6.0 - 4.6.5
Published Apr 30, 2026
Tracked Since Apr 30, 2026