A nginx security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: nginx-1.20.1-3.fc33

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Fedora Update Notification
FEDORA-2021-a856024cca
2021-07-04 01:08:30.659384
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Name : nginx
Product : Fedora 33
Version : 1.20.1
Release : 3.fc33
URL :   https://nginx.org
Summary : A high performance web server and reverse proxy server
Description :
Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and
IMAP protocols, with a strong focus on high concurrency, performance and low
memory usage.

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Update Information:

Fixes CVE-2021-3618 nginx: ALPACA: Application Layer Protocol Confusion -
Analyzing and Mitigating Cracks in TLS Authentication
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ChangeLog:

* Fri Jun 25 2021 Felix Kaechele - 1:1.20.1-3
- fix for CVE-2021-3618 (rhbz#1975651)
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References:

[ 1 ] Bug #1975623 - CVE-2021-3618 ALPACA: Application Layer Protocol Confusion - Analyzing and Mitigating Cracks in TLS Authentication
  https://bugzilla.redhat.com/show_bug.cgi?id=1975623
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-a856024cca' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys