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CVE-2026-54399 Apache HttpComponents Core: Unbounded HTTP Header/Line Length in Default Configuration

🗓️ 01 Jul 2026 17:02:21Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Apache HttpComponents Core may cause denial of service from excessive header count or header length.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-54399
1 Jul 202617:02
attackerkb
Circl
CVE-2026-54399
1 Jul 202616:56
circl
CVE
CVE-2026-54399
1 Jul 202617:02
cve
EUVD
EUVD-2026-41094
1 Jul 202617:02
euvd
NVD
CVE-2026-54399
1 Jul 202617:16
nvd
Vulnrichment
CVE-2026-54399 Apache HttpComponents Core: Unbounded HTTP Header/Line Length in Default Configuration
1 Jul 202617:02
vulnrichment
[
  {
    "collectionURL": "https://repo.maven.apache.org/maven2/",
    "defaultStatus": "unaffected",
    "packageName": "org.apache.httpcomponents.core5:httpcore5",
    "product": "Apache HttpComponents Core",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "5.5-beta1",
        "status": "affected",
        "version": "5.5-alpha",
        "versionType": "maven"
      },
      {
        "lessThanOrEqual": "5.4.2",
        "status": "affected",
        "version": "5.0-alpha",
        "versionType": "maven"
      }
    ]
  }
]

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