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CVE-2026-82617 Apache OpenNLP, Apache OpenNLP: ReDoS / stack exhaustion in RegexNameFinderFactory built-in EMAIL and URL patterns

🗓️ 11 Sep 2026 17:50:53Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

ReDoS and stack exhaustion in Apache OpenNLP 2.0.0-2.5.11, 3.0.0-M1-M5 built-in regex patterns.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-82617
11 Sep 202618:40
circl
cve
CVE
CVE-2026-82617
11 Sep 202617:50
cve
debiancve
Debian CVE
CVE-2026-82617
11 Sep 202617:50
debiancve
euvd
EUVD
EUVD-2026-76169
11 Sep 202617:50
euvd
nvd
NVD
CVE-2026-82617
11 Sep 202618:16
nvd
osv
OSV
DEBIAN-CVE-2026-82617
11 Sep 202618:16
osv
ptsecurity
Positive Technologies
PT-2026-90004
11 Sep 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-82617 Apache OpenNLP, Apache OpenNLP: ReDoS / stack exhaustion in RegexNameFinderFactory built-in EMAIL and URL patterns
11 Sep 202617:50
vulnrichment
[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache OpenNLP",
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "packageName": "org.apache.opennlp:opennlp-core",
    "packageURL": "pkg:maven/org.apache.opennlp/opennlp-core",
    "versions": [
      {
        "status": "affected",
        "version": "3.0.0-M1",
        "lessThan": "3.0.0-M6",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache OpenNLP",
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "packageName": "org.apache.opennlp:opennlp-tools",
    "packageURL": "pkg:maven/org.apache.opennlp/opennlp-tools",
    "versions": [
      {
        "status": "affected",
        "version": "2.0.0",
        "lessThan": "2.5.12",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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