Fedora 26: 2018-78570112db Critical: mingw-leptonica Pathname Bypass

MinGW Windows Leptonica library.

This update fixes CVE-2017-18196. ---- This update backports security fixes

for CVE-2018-3836, CVE-2018-7186 and CVE-2018-7247.

[ 1 ] Bug #1549410 - CVE-2017-18196 leptonica: Mishandled pathnames in /tmp subdirectories can allow users to bypass intended file restrictions

https://bugzilla.redhat.com/show_bug.cgi?id=1549410

su -c 'dnf upgrade mingw-leptonica' 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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