[Pkg-gmagick-im-team] Bug#869210: endless loop in ReadTXTImage

[Bastien ROUCARIES]

Source: imagemagick
Version: 8:6.9.7.4+dfsg-12
Severity: serious
Tags: security upstream
X-Debbugs-CC: team at security.debian.org
X-Debbugs-CC: Salvatore Bonaccorso <carnil at debian.org>
control: found -1  8:6.9.7.4+dfsg-11+deb9u1
control: found -1 8:6.8.9.9-5+deb8u10
control: found -1 8:6.7.7.10-5+deb7u14
forwarded: https://github.com/ImageMagick/ImageMagick/issues/591

original reported will open a bug

fixed by:
https://github.com/ImageMagick/ImageMagick/commit/83e0f8ffd7eeb7661b0ff83257da23d24ca7f078