HIGH · 7.5

CVE-2021-4184

Infinite loop in the BitTorrent DHT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

Vulnerability Description

Infinite loop in the BitTorrent DHT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

CVSS Score

7.5

HIGH

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

Affected Products

VendorProductVersions
WiresharkWireshark>= 3.4.0, <= 3.4.10
FedoraprojectFedora34
DebianDebian Linux9.0
OracleHttp Server12.2.1.3.0
OracleZfs Storage Appliance Kit8.8

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-4184?

CVE-2021-4184 is a vulnerability with a CVSS score of 7.5 (HIGH). Infinite loop in the BitTorrent DHT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

How severe is CVE-2021-4184?

CVE-2021-4184 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-4184?

Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark, Fedoraproject Fedora, Debian Debian Linux, Oracle Http Server, Oracle Zfs Storage Appliance Kit.