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Fedora 27: libidn2 Critical Update for Integer Overflows

fedora
Calendar Grey September 4, 2017
Dist Fedora Esm H88
Crucial notice regarding libidn2 focusing on addressing integer overflow issues and revising documentation to boost IDNA2008 compatibility.
Libidn2 2.0.4 (released 2017-08-30) integer overflow in bidi.c/_isBidi() * Fix integer overflow in puny_decode.c/decode_digit() * Improve docs * Fix idna_free() to idn_free() * ...

Summary

Libidn2 is an implementation of the IDNA2008 specifications in RFC

5890, 5891, 5892, 5893 and TR46 for internationalized domain names

(IDN). It is a standalone library, without any dependency on libidn.

Libidn2 2.0.4 (released 2017-08-30) =================================== * Fix

integer overflow in bidi.c/_isBidi() * Fix integer overflow in

puny_decode.c/decode_digit() * Improve docs * Fix idna_free() to idn_free()

* Update fuzzer corpora

[ 1 ] Bug #1486882 - CVE-2017-14062 libidn2: Integer overflow in puny_decode.c/decode_digit

https://bugzilla.redhat.com/show_bug.cgi?id=1486882

[ 2 ] Bug #1486881 - CVE-2017-14061 libidn2: integer overflow in bidi.c/_isBidi()

https://bugzilla.redhat.com/show_bug.cgi?id=1486881

su -c 'dnf upgrade libidn2' 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/

package-announce mailing list -- package-announce@lists.fedoraproject.org

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Change Log

References

Update Instructions

Severity
critical
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Product: Fedora 27
Version: 2.0.4
Release: 1.fc27
Summary: Library to support IDNA2008 internationalized domain names

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