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CVE-2026-42440

🗓️ 04 May 2026 16:40:32Reported by apacheType 
cve
 cve
🔗 web.nvd.nist.gov👁 46 Views

OpenNLP AbstractModelReader may cause out of memory denial of service from untrusted model counts.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-42440
4 May 202616:40
attackerkb
cgr
Chainguard
CVE-2026-42440 vulnerabilities
9 May 202613:17
cgr
circl
Circl
CVE-2026-42440
4 May 202619:01
circl
cnnvd
CNNVD
Apache OpenNLP 安全漏洞
4 May 202600:00
cnnvd
cvelist
Cvelist
CVE-2026-42440 Apache OpenNLP: OOM DoS via Unbounded Array Allocation in AbstractModelReader
4 May 202616:40
cvelist
debiancve
Debian CVE
CVE-2026-42440
4 May 202616:40
debiancve
euvd
EUVD
EUVD-2026-27031
4 May 202616:40
euvd
github
Github Security Blog
Apache OpenNLP AbstractModelReader has an OOM Denial of Service via Unbounded Array Allocation
4 May 202618:30
github
nvd
NVD
CVE-2026-42440
4 May 202617:16
nvd
opensuse
OPENSUSE Linux
opennlp-1.9.5-1.1 on GA media (moderate)
16 Jul 202600:00
opensuse
Rows per page
NVD
Vulners
Node
OR
apacheopennlpRange<2.5.9
apacheopennlpMatch3.0.0m1
apacheopennlpMatch3.0.0m2
[
  {
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "defaultStatus": "unaffected",
    "packageName": "org.apache.opennlp:opennlp-tools",
    "product": "Apache OpenNLP",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThan": "2.5.9",
        "status": "affected",
        "version": "2.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.0.0-M3",
        "status": "affected",
        "version": "3.0.0-M1",
        "versionType": "semver"
      },
      {
        "lessThan": "1.9.5",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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30 Jul 2026 12:18Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00603
SSVC
46