Fedora 26 Security Update: Fix For mingw-poppler Critical Null Dereference

MinGW Windows Poppler library.

This update fixes CVEs 2017-7511 and 2017-9083.

[ 1 ] Bug #1456829 - CVE-2017-7511 mingw-poppler: poppler: Null pointer dereference in pdfunite via crafted documents [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1456829

[ 2 ] Bug #1453200 - CVE-2017-9083 mingw-poppler: poppler: Null pointer dereference in the JPXStream::readUByte function [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1453200

su -c 'dnf upgrade mingw-poppler' at the command line.

For more information, refer to the dnf documentation available at

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

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