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Debian: Security Advisory for tomcat9 (DSA-5009-1)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

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.

Common Vulnerabilities and Exposures (CVE)