Ubuntu: 2021-afe1234d57 Important: libgtk Security Upgrade

MinGW Windows Poppler library.

This update fixes multiple security vulnerabilities (CVE-2017-7515,

CVE-2017-9775, CVE-2017-9776, CVE-2017-9865).

[ 1 ] Bug #1466442 - CVE-2017-9775 poppler: Stack-buffer overflow in GfxState.cc

https://bugzilla.redhat.com/show_bug.cgi?id=1466442

[ 2 ] Bug #1466435 - CVE-2017-9865 poppler: Buffer over-read in the GfxImageColorMap::getGray function

https://bugzilla.redhat.com/show_bug.cgi?id=1466435

[ 3 ] Bug #1459066 - CVE-2017-7515 poppler: Stack exhaustion due to infinite recursive call in pdfunite

https://bugzilla.redhat.com/show_bug.cgi?id=1459066

[ 4 ] Bug #1466443 - CVE-2017-9776 poppler: Integer overflow in JBIG2Stream.cc

https://bugzilla.redhat.com/show_bug.cgi?id=1466443

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

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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