Vulnerability in Wireshark

CVE-2025-13945

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

EPSS: 0.001 (3.1th 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

Weakness classification (CWE)

References

  • cve@gitlab.com (Exploit, Issue Tracking, Vendor Advisory)
  • cve@gitlab.com (issue-tracking, Exploit, Patch, permissions-required, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2025-13945?
CVE-2025-13945 is a medium-severity vulnerability in Wireshark, 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.