Vulnerability in Wireshark
CVE-2026-6532
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
EPSS: 0.000 (0.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Wireshark
- Wireshark Foundation — versions 4.6.0, 4.4.0
Weakness classification (CWE)
References
- cve@gitlab.com (Vendor Advisory)
- GitLab Issue #21129 (issue-tracking, Exploit, permissions-required, Third Party Advisory, Issue Tracking)
- GitLab Issue #21128 (issue-tracking, permissions-required, Broken Link)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Issue Tracking, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-6532?
- CVE-2026-6532 is a medium-severity vulnerability in Wireshark, classified under Buffer Over-read. CVSS score: 5.5/10. Published 2026-04-30.
- How severe is CVE-2026-6532?
- Medium severity. CVSS v3 base score is 5.5 out of 10.