• [SECURITY] [DSA 5009-1] tomcat9 security update

    From Markus Koschany@21:1/5 to All on Fri Nov 12 16:00:02 2021
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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-5009-1 security@debian.org https://www.debian.org/security/ Markus Koschany November 12, 2021 https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : tomcat9
    CVE ID : CVE-2021-42340

    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.

    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.

    For the detailed security status of tomcat9 please refer to
    its security tracker page at: https://security-tracker.debian.org/tracker/tomcat9

    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org
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