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CVE Vulnerabilities

CVE-2021-4190

Excessive Iteration

Published: Dec 30, 2021 | Modified: Nov 03, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-4190
CWEhttps://cwe.mitre.org/data/definitions/834.html

Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file

Weakness

The product performs an iteration or loop without sufficiently limiting the number of times that the loop is executed.

Affected Software

NameVendorStart VersionEnd Version
WiresharkWireshark3.4.0 (including)3.4.12 (excluding)
WiresharkWireshark3.6.0 (including)3.6.0 (including)
WiresharkUbuntubionic*
WiresharkUbuntufocal*
WiresharkUbuntuhirsute*
WiresharkUbuntuimpish*
WiresharkUbuntukinetic*
WiresharkUbuntutrusty*
WiresharkUbuntutrusty/esm*
WiresharkUbuntuupstream*
WiresharkUbuntuxenial*

References

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