Medium
Security advisory
A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out of memory (OOM) issue, leading to a denial of service. The highest threat from this vulnerability is to system availability.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-25689
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:54 UTC · Revision 1
Source evidence
A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out of memory (OOM) issue, leading to a denial of service. The highest threat from this vulnerability is to system availability.
osv:CVE-2020-25689
Complete source record
{
"id": "bb8d996aaecfbf252ee7fd229b83bf03057fd260a3cb42f9b7b265cf10ef495d",
"url": "https://osv.dev/vulnerability/CVE-2020-25689",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-25689",
"summary": "A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out of memory (OOM) issue, leading to a denial of service. The highest threat from this vulnerability is to system availability.",
"evidence": "osv:CVE-2020-25689",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-25689",
"aliases": [
"BIT-wildfly-2020-25689",
"CVE-2020-25689",
"GHSA-97hp-6q9g-5cw2"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/wildfly/wildfly",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "f3d5adb5a36fdc908d421537a35e8feffb3639be"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:redhat:wildfly:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "21.0.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"21.0.0.Final",
"21.0.0.Beta1",
"20.0.0.Final",
"20.0.0.Beta1",
"19.0.0.Beta2",
"19.0.0.Beta1",
"18.0.0.Final",
"18.0.0.Beta1",
"17.0.0.Final",
"17.0.0.Beta1",
"17.0.0.Alpha1",
"16.0.0.Final",
"16.0.0.Beta1",
"15.0.0.Final",
"15.0.0.Beta1",
"14.0.0.Final",
"14.0.0.Beta2",
"14.0.0.Beta1",
"13.0.0.Beta1",
"12.0.0.Final",
"12.0.0.CR1",
"12.0.0.Beta1",
"11.0.0.Final",
"11.0.0.CR1",
"10.0.0.Final",
"10.0.0.CR5",
"10.0.0.CR4",
"10.0.0.CR3",
"10.0.0.CR2",
"10.0.0.CR1",
"10.0.0.Beta2",
"10.0.0.Beta1",
"10.0.0.Alpha6",
"10.0.0.Alpha5",
"10.0.0.Alpha4",
"10.0.0.Alpha3",
"10.0.0.Alpha2",
"10.0.0.Alpha1",
"9.0.0.CR1",
"9.0.0.Beta2",
"9.0.0.Beta1",
"8.1.0.CR2",
"8.1.0.CR1",
"8.0.0.Final",
"8.0.0.CR1",
"8.0.0.Beta1",
"8.0.0.Alpha4",
"8.0.0.Alpha3",
"8.0.0.Alpha2",
"8.0.0.Alpha1",
"7.2.0.Final-prerelease1",
"7.2.0.Final",
"7.1.2.Final",
"7.1.2-prerelease",
"7.1.1.Final",
"7.1.0.Final",
"7.1.0.Final-prerelease2",
"7.1.0.Final-prerelease",
"7.1.0.CR1",
"7.1.0.Beta1",
"7.1.0.Alpha1",
"7.0.0.Final",
"7.0.0.Final-prerelease3",
"7.0.0.Final-prerelease2",
"7.0.0.Final-prerelease",
"7.0.0.CR1",
"7.0.0.Beta3",
"7.0.0.Beta2",
"7.0.0.Beta2-prerelease",
"7.0.0.Beta1-prerelease",
"7.0.0.Alpha1-final",
"7.0.0.Alpha1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25689.json"
}
}
],
"modified": "2026-10-24T10:30:46.279273437Z",
"provider": "osv",
"references": [
"https://security.netapp.com/advisory/ntap-20201123-0006/",
"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25689"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:redhat:fuse:6.0.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:fuse",
"extracted_events": [
{
"range": [
{
"introduced": "6.0.0"
},
{
"last_affected": "6.0.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:redhat:jboss_data_grid:7.0.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:jboss_data_grid",
"extracted_events": [
{
"range": [
{
"introduced": "7.0.0"
},
{
"last_affected": "7.0.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:jboss_enterprise_application_platform",
"extracted_events": [
{
"range": [
{
"introduced": "7.0.0"
},
{
"last_affected": "7.0.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:jboss_fuse",
"extracted_events": [
{
"range": [
{
"introduced": "7.0.0"
},
{
"last_affected": "7.0.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:single_sign-on",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-25689",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 436301,
"published_at": "2020-11-02T21:15:27.647+00:00"
}