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CVE-2020-14340

A vulnerability was discovered in XNIO where file descriptor leak caused by growing amounts of NIO Selector file handles between garbage collection cycles. It may allow the attacker to cause a denial of service. It affects XNIO versions 3.6.0.Beta1 through 3.8.1.Final.
An official patch is available. Apply the patch as soon as possible.
5.9
CVSS
4.6
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityHigh
RequirementsPresent
PrivilegesNone
User InteractionNone
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusOfficial Patch

Change Log
DateSourceChangesScore
2026-07-21nvdAV: P→N, PR: H→N, UI: A→N, VA: N→H0.0 → 4.6
2026-07-21nvdpatch: Unavailable→Official Patch0.0 → 0.0
2026-07-21cve.orginitial, patch: Unavailable0.0
References: CVE.org · NVD

Affected Software
VendorProductVersion
n/aXNIOxnio 3.7.9.Final, xnio 3.8.2.Final, xnio 3.9.0.Final
oraclecommunications_cloud_native_core_console1.9.0
oraclecommunications_cloud_native_core_network_repository_function1.14.0
oraclecommunications_cloud_native_core_policy1.14.0
oraclecommunications_cloud_native_core_security_edge_protection_proxy1.15.0
oraclecommunications_cloud_native_core_service_communication_proxy1.14.0
oraclecommunications_cloud_native_core_unified_data_repository1.14.0
redhatjboss_brms5
redhatjboss_brms6
redhatjboss_data_grid6.0.0
redhatjboss_data_grid7.0.0
redhatjboss_data_virtualization6.0.0
redhatjboss_enterprise_application_platform5.0.0
redhatjboss_enterprise_application_platform6.0.0
redhatjboss_fuse6.0.0
redhatjboss_fuse7.0.0
redhatjboss_operations_network3.0
redhatjboss_soa_platform5
redhatxnio≥ 3.6.1, < 3.7.9
redhatxnio≥ 3.8.0, < 3.8.2
redhatxnio3.6.0
Published: 2021-06-02