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CVE-2026-86243

🗓️ 23 Sep 2026 12:24:55Reported by apacheType 
cve
 cve
🔗 web.nvd.nist.gov👁 13 Views

Buffer over-read in Apache Tomcat Native permits a malicious user to trigger a DoS via JVM crash.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-86243 Apache Tomcat Native: DoS via TLS handshake
23 Sep 202612:24
cvelist
debiancve
Debian CVE
CVE-2026-86243
23 Sep 202612:24
debiancve
euvd
EUVD
EUVD-2026-85267
23 Sep 202612:24
euvd
nvd
NVD
CVE-2026-86243
23 Sep 202613:17
nvd
osv
OSV
DEBIAN-CVE-2026-86243
23 Sep 202613:17
osv
tomcat
Apache Tomcat
Fixed in Apache Tomcat Native Connector 2.0.16 / 1.3.9
23 Sep 202612:24
tomcat
vulnrichment
Vulnrichment
CVE-2026-86243 Apache Tomcat Native: DoS via TLS handshake
23 Sep 202612:24
vulnrichment
Vulners
Node
[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache Tomcat Native",
    "versions": [
      {
        "status": "affected",
        "version": "2.0.0",
        "lessThanOrEqual": "2.0.15",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "1.3.0",
        "lessThanOrEqual": "1.3.8",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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23 Sep 2026 19:19Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
SSVC
13