A rubygem-puma security update has been released for Fedora 30.

SECURITY: Fedora 30 Update: rubygem-puma-3.12.4-1.fc30

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Fedora Update Notification
FEDORA-2020-08092b4c97
2020-04-09 17:43:21.961601
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Name : rubygem-puma
Product : Fedora 30
Version : 3.12.4
Release : 1.fc30
URL :   http://puma.io
Summary : A simple, fast, threaded, and highly concurrent HTTP 1.1 server
Description :
A simple, fast, threaded, and highly concurrent HTTP 1.1 server for
Ruby/Rack applications.

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Update Information:

Security fix for CVE-2020-5247, CVE-2020-5249
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ChangeLog:

* Tue Mar 31 2020 Jun Aruga - 3.12.4-1
- Update to Puma 3.12.4.
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References:

[ 1 ] Bug #1816182 - CVE-2020-5249 rubygem-puma: attacker is able to use carriage return character to insert malicious content (HTTP Response Splitting), this could lead to XSS [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1816182
[ 2 ] Bug #1816189 - CVE-2020-5247 rubygem-puma: attacker is able to use newline characters to insert malicious content (HTTP Response Splitting), this could lead to XSS [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1816189
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-08092b4c97' 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