It was found that URLResource.getLastModified() in Undertow closes the file descriptors only when they are finalized which can cause file descriptors to exhaust. This leads to a file handler leak.
CVE-2018-1114
This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 28% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EPSS
- 81.5%
- KEV
- Not listed
Published
September 11, 2018
Last Modified
November 21, 2024
References (12)
- secalert@redhathttps://access.redhat.com/errata/RHSA-2018:2643
- secalert@redhathttps://access.redhat.com/errata/RHSA-2018:2669
- secalert@redhathttps://access.redhat.com/errata/RHSA-2019:0877
- secalert@redhathttps://bugs.openjdk.java.net/browse/JDK-6956385
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1114
- secalert@redhathttps://issues.jboss.org/browse/UNDERTOW-1338
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:2643
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:2669
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:0877
- af854a3a-2127-422b-91ae-364da2661108https://bugs.openjdk.java.net/browse/JDK-6956385
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1114
- af854a3a-2127-422b-91ae-364da2661108https://issues.jboss.org/browse/UNDERTOW-1338
Vendor Advisories for CVE-2018-1114(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(6)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | patch | 2019-04-24 | redhat |
| redhat | undertow | 2018-09-11 | redhat |
| redhat | rhvm-appliance-0:4.2-20180828.0.el7 | 2018-09-04 | redhat |
| redhat | eap7-wildfly-web-console-eap-0:2.9.17-1.Final_redhat_1.1.ep7.el6 | 2018-06-27 | redhat |
| redhat | eap7-wildfly-web-console-eap-0:2.9.17-1.Final_redhat_1.1.ep7.el7 | 2018-06-27 | redhat |
| redhat | patch | 2018-06-27 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| io.undertow:undertow-core | 2.0.0.Alpha1 ... 2.0.4.Final (7 versions) | 2.0.5.Final | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(5)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Red HatRHSA-2018:2088MODERATE2018-04-21
RHSA-2018:2088 — Moderate
- Red HatRHSA-2018:2089MODERATE2018-04-21
RHSA-2018:2089 — Moderate
- Red HatRHSA-2018:2090MODERATE2018-04-21
RHSA-2018:2090 — Moderate
- Red HatRHSA-2018:2643MODERATE2018-04-21
RHSA-2018:2643 — Moderate
- Red HatRHSA-2019:0877MODERATE2018-04-21
RHSA-2019:0877 — Moderate
Data Freshness Timeline
(refreshed 9× in last 7d / 48× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
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- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 01:26 UTCOSV refresh
- 2026-07-02 16:54 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
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- 2026-06-25 13:47 UTCEPSS rescore
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- 2026-06-15 13:13 UTCOSV refresh
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 03:19 UTCEG score recompute
- 2026-05-28 03:19 UTCVendor advisory
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
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- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-23 09:31 UTCOSV refresh
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
Same CWE
10 shownCWE-400
Frequently asked(5)
What is CVE-2018-1114?
When was CVE-2018-1114 disclosed?
Is CVE-2018-1114 actively exploited?
What is the CVSS score of CVE-2018-1114?
How do I remediate CVE-2018-1114?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-1114
Is Your Infrastructure Affected by CVE-2018-1114?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.