High
Security advisory
A flaw was discovered in Undertow in versions before Undertow 2.1.1.Final where certain requests to the "Expect: 100-continue" header may cause an out of memory error. This flaw may potentially lead to a denial of service.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-10705
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:22 UTC · Revision 1
Source evidence
A flaw was discovered in Undertow in versions before Undertow 2.1.1.Final where certain requests to the "Expect: 100-continue" header may cause an out of memory error. This flaw may potentially lead to a denial of service.
osv:CVE-2020-10705
Complete source record
{
"id": "349a8e6b225233617bf6f1be2a56814d97072026fb2211297283330514cff786",
"url": "https://osv.dev/vulnerability/CVE-2020-10705",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-10705",
"summary": "A flaw was discovered in Undertow in versions before Undertow 2.1.1.Final where certain requests to the \"Expect: 100-continue\" header may cause an out of memory error. This flaw may potentially lead to a denial of service.",
"evidence": "osv:CVE-2020-10705",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-10705",
"aliases": [
"CVE-2020-10705",
"GHSA-g4cp-h53p-v3v8"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/undertow-io/undertow",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "466e2b0879aea980413c25a1107eb915c66a9aea"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.1.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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"2.0.29.Final",
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"1.0.0.CR4",
"1.0.0.CR3",
"1.0.0.CR2",
"1.0.0.CR1",
"1.0.0.Beta33",
"1.0.0.Beta32",
"1.0.0.Beta31",
"1.0.0.Beta30",
"1.0.0.Beta29",
"1.0.0.Beta28",
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"1.0.0.Beta16",
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"1.0.0.Alpha14",
"1.0.0.Alpha13",
"1.0.0.Alpha12",
"1.0.0.Alpha11",
"1.0.0.Alpha10",
"1.0.0.Alpha9",
"1.0.0.Alpha8",
"1.0.0.Alpha7",
"1.0.0.Alpha6",
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"1.0.0.Alpha4",
"1.0.0.Alpha3",
"1.0.0.Alpha2",
"1.0.0.Alpha1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10705.json"
}
}
],
"modified": "2026-10-24T10:30:38.431787422Z",
"provider": "osv",
"references": [
"https://security.netapp.com/advisory/ntap-20220210-0014/",
"https://bugzilla.redhat.com/show_bug.cgi?id=1803241"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:jboss_enterprise_application_platform",
"extracted_events": [
{
"range": [
{
"introduced": "7.2"
},
{
"last_affected": "7.2"
},
{
"introduced": "7.2"
},
{
"last_affected": "7.2"
},
{
"introduced": "7.2"
},
{
"last_affected": "7.2"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-10705",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 434444,
"published_at": "2020-06-10T20:15:12.233+00:00"
}