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Fedora 33: 2021-52c89b44a9 Critical: c-ares Domain Hijacking Fix

fedora
Calendar Grey August 31, 2021
Dist Fedora Esm H88
Important c-ares upgrade for Fedora 33 fixes input validation flaw, boosting DNS protection. Keep informed.
Update to 1.17.2, fixes security issues including CVE-2021-3672.

Summary

c-ares is a C library that performs DNS requests and name resolves

asynchronously. c-ares is a fork of the library named 'ares', written

by Greg Hudson at MIT.

Update to 1.17.2, fixes security issues including CVE-2021-3672.

* Mon Aug 16 2021 Tom Callaway - 1.17.2-1

- update to 1.17.2

- fixes multiple security issues including CVE-2021-3672

* Wed Jul 21 2021 Fedora Release Engineering - 1.17.1-3

- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild

* Tue Jan 26 2021 Fedora Release Engineering - 1.17.1-2

- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild

* Fri Nov 20 2020 Tom Callaway - 1.17.1-1

- update to 1.17.1

[ 1 ] Bug #1988342 - CVE-2021-3672 c-ares: Missing input validation of host names may lead to domain hijacking

https://bugzilla.redhat.com/show_bug.cgi?id=1988342

su -c 'dnf upgrade --advisory FEDORA-2021-52c89b44a9' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
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Critical

Product: Fedora 33
Version: 1.17.2
Release: 1.fc33
Summary: A library that performs asynchronous DNS operations

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