An uwsgi security update has been released for Debian GNU/Linux 9 LTS to address an issue to resource exhaustion and denial of service.

DLA 2362-1: uwsgi security update

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Debian LTS Advisory DLA-2362-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Utkarsh Gupta
September 03, 2020   https://wiki.debian.org/LTS
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Package : uwsgi
Version : 2.0.14+20161117-3+deb9u3
CVE ID : CVE-2020-11984

Apache HTTP Server versions before 2.4.32 uses src:uwsgi where a flaw
was discovered. The uwsgi protocol does not let us serialize more
than 16K of HTTP header leading to resource exhaustion and denial of
service.

For Debian 9 stretch, this problem has been fixed in version
2.0.14+20161117-3+deb9u3.

We recommend that you upgrade your uwsgi packages.

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

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