A trafficserver security update has been released for Debian GNU/Linux 10 and 11 to address several vulnerabilities.

DSA 5153-1: trafficserver security update

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Debian Security Advisory DSA-5153-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
May 30, 2022   https://www.debian.org/security/faq
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Package : trafficserver
CVE ID : CVE-2021-37147 CVE-2021-37148 CVE-2021-37149 CVE-2021-38161
CVE-2021-44040 CVE-2021-44759

Several vulnerabilities were discovered in Apache Traffic Server, a
reverse and forward proxy server, which could result in HTTP request
smuggling or MITM attacks.

For the oldstable distribution (buster), these problems have been fixed
in version 8.0.2+ds-1+deb10u6.

For the stable distribution (bullseye), these problems have been fixed in
version 8.1.1+ds-1.1+deb11u1.

We recommend that you upgrade your trafficserver packages.

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

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/