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MEDIUM · 5.5

CVE-2025-13945

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

Vulnerability Description

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

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
WiresharkWireshark>= 4.6.0, < 4.6.2

Related Weaknesses (CWE)

CWE-1325

References

FAQ

What is CVE-2025-13945?

CVE-2025-13945 is a vulnerability with a CVSS score of 5.5 (MEDIUM). HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service

How severe is CVE-2025-13945?

CVE-2025-13945 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-13945?

Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark.