CVE catalog
CVE-2020-14340
jboss-xnio: CVE-2020-14340
- Severity
- Medium · CVSS 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.21% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | jboss-xnio | sid | 3.8.10-1 | fixed |
| Debian | jboss-xnio | forky | 3.8.10-1 | fixed |
| Debian | jboss-xnio | trixie | 3.8.10-1 | fixed |
| Debian | jboss-xnio | bookworm | 3.8.8-1 | fixed |
| Ubuntu | jboss-xnio | 16.04 | 3.3.2-1 | vulnerable |
| Ubuntu | jboss-xnio | 16.04 | 3.3.2-3 | vulnerable |
| Ubuntu | jboss-xnio | 18.04 | 3.5.1-1 | vulnerable |
| Ubuntu | jboss-xnio | 18.04 | 3.5.4-1 | vulnerable |
| Ubuntu | jboss-xnio | 18.04 | 3.6.0-1 | vulnerable |
| Ubuntu | jboss-xnio | 18.04 | 3.6.1-1 | vulnerable |
| Ubuntu | jboss-xnio | 18.04 | 3.6.2-1 | vulnerable |
| Ubuntu | jboss-xnio | 18.04 | 3.6.2-2 | vulnerable |
| Ubuntu | jboss-xnio | 20.04 | 3.7.3-1 | vulnerable |
| Ubuntu | jboss-xnio | 20.04 | 3.7.6-1 | vulnerable |
| Ubuntu | jboss-xnio | 20.04 | 3.7.7-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | jboss-xnio | source | sid | 3.8.2-1 | not yet assigned | Not reported | Not reported |
| Debian | jboss-xnio | source | forky | 3.8.2-1 | not yet assigned | Not reported | Not reported |
| Debian | jboss-xnio | source | trixie | 3.8.2-1 | not yet assigned | Not reported | Not reported |
| Debian | jboss-xnio | source | bookworm | 3.8.2-1 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libjboss-xnio-java]Fixed
Source package: [jboss-xnio]
Details (2)
3.8.8-1· all · bookwormFixed · Fixed:
3.8.2-1dsa · jboss-xnio · debian · bookworm; dsa · jboss-xnio · debian · 12
3.8.8-1· all · bookwormFixed · Fixed:
3.8.2-1dsa · jboss-xnio · debian · bookworm; dsa · jboss-xnio · debian · 12
- [libjboss-xnio-java-doc]Fixed
Source package: [jboss-xnio]
Details (2)
3.8.8-1· all · bookwormFixed · Fixed:
3.8.2-1dsa · jboss-xnio · debian · bookworm; dsa · jboss-xnio · debian · 12
3.8.8-1· all · bookwormFixed · Fixed:
3.8.2-1dsa · jboss-xnio · debian · bookworm; dsa · jboss-xnio · debian · 12
[Debian 13 (Trixie)]
- [libjboss-xnio-java]Fixed
Source package: [jboss-xnio]
Details (2)
3.8.10-1· all · trixieFixed · Fixed:
3.8.2-1dsa · jboss-xnio · debian · 13
3.8.10-1· all · trixieFixed · Fixed:
3.8.2-1dsa · jboss-xnio · debian · 13
- [libjboss-xnio-java-doc]Fixed
Source package: [jboss-xnio]
Details (2)
3.8.10-1· all · trixieFixed · Fixed:
3.8.2-1dsa · jboss-xnio · debian · 13
3.8.10-1· all · trixieFixed · Fixed:
3.8.2-1dsa · jboss-xnio · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-14340]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-14340]
- [https://security-tracker.debian.org/tracker/CVE-2020-14340]
- [https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-14340.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2025-0019.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]