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Vulnerability record · CVE-2020-14340 · published 2 June 2021

CVE-2020-14340: Redhat xnio uncontrolled resource consumption vulnerability

Redhat · Xnio

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.

5.9 CVSS 3.1 Medium EPSS 2.2% · top 18.1% CWE-400 · Uncontrolled resource consumption
5.9CVSS 3.1 base score, v2 4.3
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
14Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

14 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1860218 Issue TrackingVendor Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html PatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1860218 Issue TrackingVendor Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-14340), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.