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cvelistApacheCVELIST:CVE-2017-5650
HistoryApr 17, 2017 - 4:00 p.m.

CVE-2017-5650

2017-04-1716:00:00
apache
www.cve.org

8.5 High

AI Score

Confidence

High

0.863 High

EPSS

Percentile

98.6%

In Apache Tomcat 9.0.0.M1 to 9.0.0.M18 and 8.5.0 to 8.5.12, the handling of an HTTP/2 GOAWAY frame for a connection did not close streams associated with that connection that were currently waiting for a WINDOW_UPDATE before allowing the application to write more data. These waiting streams each consumed a thread. A malicious client could therefore construct a series of HTTP/2 requests that would consume all available processing threads.

CNA Affected

[
  {
    "product": "Apache Tomcat",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "status": "affected",
        "version": "9.0.0.M1 to 9.0.0.M18"
      },
      {
        "status": "affected",
        "version": "8.5.0 to 8.5.12"
      }
    ]
  }
]

References