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CVE-2026-91777

🗓️ 23 Sep 2026 02:21:48Reported by HeroDevsType 
cve
 cve
🔗 web.nvd.nist.gov👁 129 Views

Quadratic CPU DoS in jackson-databind via forward-reference completion in collections.

Related
Affected
Refs
[
  {
    "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.deser.std.CollectionDeserializer.CollectionReferringAccumulator.resolveForwardReference"
      },
      {
        "name": "com.fasterxml.jackson.databind.deser.std.MapDeserializer.MapReferringAccumulator.resolveForwardReference"
      }
    ],
    "versions": [
      {
        "status": "affected",
        "version": "2.5.0",
        "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.deser.jdk.CollectionDeserializer.CollectionReferringAccumulator.resolveForwardReference"
      },
      {
        "name": "tools.jackson.databind.deser.jdk.MapDeserializer.MapReferringAccumulator.resolveForwardReference"
      }
    ],
    "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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24 Sep 2026 20:43Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.0045
SSVC
129