What is CVE-2022-2529?

CVE-2022-2529 is a high-severity vulnerability in Cloudflare Goflow, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-09-30.

How severe is CVE-2022-2529?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-2529 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Cloudflare Goflow

CVE-2022-2529

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-09-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.001

Affected products

Cloudflare Goflow — versions unspecified

Weakness classification (CWE)

Public proof-of-concept exploits

karimhabush/cyberowl

References

github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c (Third Party Advisory)

Frequently asked questions

What is CVE-2022-2529?: CVE-2022-2529 is a high-severity vulnerability in Cloudflare Goflow, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-09-30.
How severe is CVE-2022-2529?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-2529 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.