CVE-2022-2529

Multiple DoS Attack Vectors in sflow packet handling

Published Sep 30, 2022 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Upgrade goflow at least to version 3.4.4


Vendor Workaround

Make sure that the goflow collector is not publicly reachable.

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2022-7068 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.
Github GHSA Github GHSA GHSA-9rpw-2h95-666c Cloudflare GoFlow vulnerable to a Denial of Service in the sflow packet handling package
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cloudflare
Published
Updated
May 20, 2025, 4:03 PM
Reserved
Jul 25, 2022, 12:00 AM
Status
Modified
Published
Sep 30, 2022, 11:15 AM
Modified
Jun 17, 2026, 4:42 AM