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CVE-2024-34486

Ryu Infinite Loop vulnerability

7.5 High

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.65%Up 0.6 points since May 5, 2024
90%50%10%1%

What each source reports

CVE List Score used 7.5

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

Record
CVE-2024-34486
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-606
Updated
2026-11-02
EUVDEUVD-2024-1602 7.5

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

Record
EUVD-2024-1602
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-fgpw-cx3v-wj95 8.7

Ryu Infinite Loop vulnerability

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

Record
GHSA-fgpw-cx3v-wj95
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-606
Updated
2026-11-02
NVD 7.5

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

Record
CVE-2024-34486
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-606
Updated
2026-11-02
OSV 7.5

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

Record
CVE-2024-34486
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVGHSA-fgpw-cx3v-wj95 8.7

Ryu Infinite Loop vulnerability

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

Record
GHSA-fgpw-cx3v-wj95
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-606
Updated
2026-11-02
OSVPYSEC-2026-1882 8.7

Ryu Infinite Loop vulnerability

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

Record
PYSEC-2026-1882
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ryu
PyPI
through 4.34 None known
ryu
PyPI
through 4.34, plus listed versions
0.21.01.11.21.3
Show 45 moreShow less
1.41.51.61.71.81.92.02.12.23.13.103.113.123.133.153.173.183.193.23.203.20.13.20.23.223.233.23.13.23.23.243.253.25.13.263.293.29.13.33.303.43.53.63.73.83.94.04.14.104.114.12
None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-34486 is a high vulnerability (CVSS 7.5) in Facuet Ryu, published May 5, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. No source names a fixed version.

References

This page doesn't list everything

Left out here: 31 versions. The JSON record has them.

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