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CVE-2022-2529

HIGH
Published 2022-09-30T10:45:11.000Z
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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.004
probability
of exploitation in the wild

There is a 0.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.586
Higher than 58.6% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Cloudflare

goflow

Affected Versions:

unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Cloudflare GoFlow vulnerable to a Denial of Service in the sflow packet handling package

GHSA-9rpw-2h95-666c

Advisory Details

### Impact The sflow decode package prior to version 3.4.4 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 huge amounts of memory resulting in a denial of service. ### Specific Go Packages Affected github.com/cloudflare/goflow/v3/decoders/sflow ### Patches Version 3.4.4 contains patches fixing this. ### Workarounds A possible workaround is to not have your goflow collector publicly reachable. ### For more information If you have any questions or comments about this advisory: * Open an issue in [goflow repo](https://github.com/cloudflare/goflow) * Email us [netdev[@]cloudflare.com ](mailto:[email protected])

Affected Packages

Go github.com/cloudflare/goflow/v3
ECOSYSTEM: ≥0 <3.4.4

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

WEB https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2022-2529
WEB https://github.com/cloudflare/goflow/commit/2b94619a6204443e3ca1769f4e459f9f57039c51
WEB https://github.com/cloudflare/goflow/commit/c829ccd2c0aafdc9b886b20bf6f28095607f4998
PACKAGE https://github.com/cloudflare/goflow
WEB https://github.com/cloudflare/goflow/releases/tag/v3.4.4

Advisory provided by GitHub Security Advisory Database. Published: October 1, 2022, Modified: October 2, 2023

References

https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c
Published: 2022-09-30T10:45:11.000Z
Last Modified: 2025-05-20T16:03:07.474Z
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