An oniguruma security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: oniguruma-6.9.5-3.rev1.fc33

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Fedora Update Notification
FEDORA-2020-bc758654d1
2020-10-06 14:04:21.152434
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Name : oniguruma
Product : Fedora 33
Version : 6.9.5
Release : 3.rev1.fc33
URL :   https://github.com/kkos/oniguruma/
Summary : Regular expressions library
Description :
Oniguruma is a regular expressions library.
The characteristics of this library is that different character encoding
for every regular expression object can be specified.
(supported APIs: GNU regex, POSIX and Oniguruma native)

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Update Information:

Backport fix for CVE-2020-26159
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ChangeLog:

* Thu Oct 1 2020 Mamoru TASAKA - 6.9.5-3.rev1
- Apply upstream fix for CVE-2020-26159
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References:

[ 1 ] Bug #1884112 - CVE-2020-26159 oniguruma: Buffer overflow in concat_opt_exact_str could result in DoS [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1884112
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-bc758654d1' 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