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CVE-2026-91776 jackson-databind: unbounded growth of the type id cache in TypeDeserializerBase retains every unknown raw type ID

🗓️ 23 Sep 2026 02:17:50Reported by HeroDevsType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

Unbounded memory growth in jackson-databind TypeDeserializerBase via attacker-supplied IDs.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-91776
23 Sep 202602:17
cve
debiancve
Debian CVE
CVE-2026-91776
23 Sep 202602:17
debiancve
euvd
EUVD
EUVD-2026-85002
23 Sep 202602:17
euvd
nvd
NVD
CVE-2026-91776
23 Sep 202603:17
nvd
vulnrichment
Vulnrichment
CVE-2026-91776 jackson-databind: unbounded growth of the type id cache in TypeDeserializerBase retains every unknown raw type ID
23 Sep 202602:17
vulnrichment
[
  {
    "vendor": "FasterXML",
    "product": "jackson-databind",
    "collectionURL": "https://repo1.maven.org/maven2",
    "packageName": "com.fasterxml.jackson.core:jackson-databind",
    "repo": "https://github.com/FasterXML/jackson-databind",
    "programRoutines": [
      {
        "name": "com.fasterxml.jackson.databind.jsontype.impl.TypeDeserializerBase._findDeserializer"
      }
    ],
    "versions": [
      {
        "status": "affected",
        "version": "2.0.0",
        "lessThanOrEqual": "2.18.10",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "2.19.0",
        "lessThanOrEqual": "2.21.6",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "2.22.0",
        "lessThanOrEqual": "2.22.2",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "FasterXML",
    "product": "jackson-databind",
    "collectionURL": "https://repo1.maven.org/maven2",
    "packageName": "tools.jackson.core:jackson-databind",
    "repo": "https://github.com/FasterXML/jackson-databind",
    "programRoutines": [
      {
        "name": "tools.jackson.databind.jsontype.impl.TypeDeserializerBase._findDeserializer"
      }
    ],
    "versions": [
      {
        "status": "affected",
        "version": "3.0.0",
        "lessThanOrEqual": "3.1.6",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "3.2.0",
        "lessThanOrEqual": "3.2.2",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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