🛡️ CVE-2024-34489 — ryu

🟠 CVSS 8.0 — High ⚠️ Exploit Public CWE-835 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Ryu Infinite Loop vulnerability

OFPHello in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via length=0.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2024-34489 is classified as CWE-835: Infinite Loop. A loop condition can never become false for some inputs, hanging the process.

Affected software

CVE-2024-34489 is recorded against 1 package.

  • ryu

Timeline and source

Published on 5 May 2024 and last revised on 7 July 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-835
Public Exploit ⚠️ Yes
Source OSV
Published 2024-05-05
Updated 2026-08-12
Modified 2026-07-07
Fix URL N/A

Affected Packages

Software From version Fixed in
ryu — —

Similar Threats

Exploit Protection

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CVE-2024-34489 carries CVSS 8.0 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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