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Debian: Security Advisory for tomcat9 (DSA-5009-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'tomcat9' package(s) announced via the DSA-5009-1 advisory.
Insight
Insight
Apache Tomcat, the servlet and JSP engine, did not properly release an HTTP upgrade connection for WebSocket connections once the WebSocket connection was closed. This created a memory leak that, over time, could lead to a denial of service via an OutOfMemoryError.
Affected Software
Affected Software
'tomcat9' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (bullseye), this problem has been fixed in version 9.0.43-2~deb11u3. We recommend that you upgrade your tomcat9 packages.