CVE-2022-2529

Multiple DoS Attack Vectors in sflow packet handling

State: Published
Severity: 7.5 High
Published: Sep 30, 2022
Updated: May 20, 2025
Reserved: Jul 25, 2022

Description

sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	cloudflare

Weaknesses

CWE-20 Improper Input Validation
CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
goflowCloudflare	before 3.4.4Affected

References

https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c

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