CVE-2026-18401 jackson-core: Number length constraint bypass in non-blocking (async) JSON parser leads to potential denial of service
| Reporter | Title | Published | Views | Family All 2134 |
|---|---|---|---|---|
 | CGA-WW42-373F-4W97 | 2 Mar 202601:07 | – | osv |
| CGA-WW66-M845-MFVJ | 1 Mar 202612:31 | – | osv |
| CGA-WW6C-5W4J-HHF8 | 1 Mar 202612:39 | – | osv |
| CGA-WW6X-RQMQ-W85C | 2 Mar 202602:07 | – | osv |
| CGA-WWG6-CJHR-CP6G | 13 May 202623:38 | – | osv |
| CGA-WWH2-JW85-PPCH | 1 Mar 202611:56 | – | osv |
| CGA-WWRQ-XQ63-3RC7 | 1 Mar 202613:09 | – | osv |
| CGA-WWW9-J2RV-3863 | 16 Mar 202623:28 | – | osv |
| CGA-WX3X-3X3G-39F4 | 1 Mar 202612:34 | – | osv |
| CGA-WXG6-VV72-J395 | 1 Mar 202612:20 | – | osv |
10
[
{
"vendor": "FasterXML",
"product": "jackson-core",
"collectionURL": "https://repo.maven.apache.org/maven2",
"packageName": "com.fasterxml.jackson.core:jackson-core",
"repo": "https://github.com/FasterXML/jackson-core",
"programFiles": [
"src/main/java/com/fasterxml/jackson/core/json/async/NonBlockingUtf8JsonParserBase.java"
],
"programRoutines": [
{
"name": "NonBlockingUtf8JsonParserBase._finishNumberIntegralPart"
},
{
"name": "NonBlockingUtf8JsonParserBase._valueComplete"
}
],
"versions": [
{
"status": "affected",
"version": "2.15.0",
"lessThanOrEqual": "2.18.5",
"versionType": "maven"
},
{
"status": "unaffected",
"version": "2.18.6",
"versionType": "maven"
},
{
"status": "affected",
"version": "2.19.0",
"lessThan": "2.21.1",
"versionType": "maven"
},
{
"status": "unaffected",
"version": "2.21.1",
"versionType": "maven"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "FasterXML",
"product": "jackson-core",
"collectionURL": "https://repo.maven.apache.org/maven2",
"packageName": "tools.jackson.core:jackson-core",
"repo": "https://github.com/FasterXML/jackson-core",
"programFiles": [
"src/main/java/tools/jackson/core/json/async/NonBlockingUtf8JsonParserBase.java"
],
"programRoutines": [
{
"name": "NonBlockingUtf8JsonParserBase._finishNumberIntegralPart"
},
{
"name": "NonBlockingUtf8JsonParserBase._valueComplete"
}
],
"versions": [
{
"status": "affected",
"version": "3.0.0",
"lessThan": "3.1.0",
"versionType": "maven"
},
{
"status": "unaffected",
"version": "3.1.0",
"versionType": "maven"
}
],
"defaultStatus": "unaffected"
}
]Data
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04 Aug 2026 14:23Current
CVSS 46.9
EPSS0.0031