Vulnerability in Wireshark Foundation

CVE-2025-13945

HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service

EPSS: 0.000 (13.0th 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 Foundation — versions 4.6.0

Weakness classification (CWE)

CWE-1325

References

www.wireshark.org/security/wnpa-sec-2025-07.html
GitLab Issue #20860 (issue-tracking, permissions-required)

Frequently asked questions

What is CVE-2025-13945?: CVE-2025-13945 is a medium-severity vulnerability in Wireshark Foundation, classified under CWE-1325. CVSS score: 5.5/10. Published 2025-12-03.
How severe is CVE-2025-13945?: Medium severity. CVSS v3 base score is 5.5 out of 10.