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CVE-2026-111808

🗓️ 21 Oct 2026 19:11:59Reported by apacheType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

HTTP/2 DATA frame padding underflow in Apache Traffic Server causes worker-pool exhaustion.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-111808 Apache Traffic Server: HTTP/2 DATA frame padding underflow lets a client trigger backend worker-pool exhaustion
21 Oct 202619:11
–cvelist
debiancve
Debian CVE
CVE-2026-111808
21 Oct 202619:11
–debiancve
euvd
EUVD
EUVD-2026-107498
21 Oct 202619:11
–euvd
nvd
NVD
CVE-2026-111808
21 Oct 202620:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-111808
21 Oct 202619:47
–osv_debian
Vulners
[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache Traffic Server",
    "versions": [
      {
        "status": "affected",
        "version": "8.0.0",
        "lessThanOrEqual": "8.1.11",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "9.0.0",
        "lessThanOrEqual": "9.2.15",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "10.0.0",
        "lessThanOrEqual": "10.1.4",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "10.2.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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21 Oct 2026 20:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 47.7
CVSS 3.18.6
3