High
Security advisory
A vulnerability was found in RESTEasy, where RootNode incorrectly caches routes. This issue results in hash flooding, leading to slower requests with higher CPU time spent searching and adding the entry. This flaw allows an attacker to cause a denial of service.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-14326
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:46 UTC · Revision 1
Source evidence
A vulnerability was found in RESTEasy, where RootNode incorrectly caches routes. This issue results in hash flooding, leading to slower requests with higher CPU time spent searching and adding the entry. This flaw allows an attacker to cause a denial of service.
osv:CVE-2020-14326
Complete source record
{
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"url": "https://osv.dev/vulnerability/CVE-2020-14326",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-14326",
"summary": "A vulnerability was found in RESTEasy, where RootNode incorrectly caches routes. This issue results in hash flooding, leading to slower requests with higher CPU time spent searching and adding the entry. This flaw allows an attacker to cause a denial of service.",
"evidence": "osv:CVE-2020-14326",
"products": [],
"severity": "high",
"structured": {
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"aliases": [
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"GHSA-37g7-8vjj-pjpj"
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"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
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"affected": [
{
"ranges": [
{
"repo": "https://github.com/resteasy/resteasy",
"type": "GIT",
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{
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}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:redhat:resteasy:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.2.0"
},
{
"fixed": "4.5.6"
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"4.4.1.Final",
"4.4.0.Final",
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"database_specific": {
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}
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],
"modified": "2026-10-24T10:30:44.359063191Z",
"provider": "osv",
"references": [
"https://security.netapp.com/advisory/ntap-20210713-0001/",
"https://bugzilla.redhat.com/show_bug.cgi?id=1855826"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-14326",
"evidence": "/id"
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"security_relevant": true,
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},
"source_id": "core-osv",
"document_id": 435856,
"published_at": "2021-06-02T12:15:08.227+00:00"
}