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GraphicsMagick.8039
GraphicsMagick-CVE-2018-9018.patch
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File GraphicsMagick-CVE-2018-9018.patch of Package GraphicsMagick.8039
Index: GraphicsMagick-1.3.25/coders/png.c =================================================================== --- GraphicsMagick-1.3.25.orig/coders/png.c 2018-04-13 19:35:25.163381295 +0200 +++ GraphicsMagick-1.3.25/coders/png.c 2018-04-13 19:35:25.227382409 +0200 @@ -4626,8 +4626,11 @@ static Image *ReadMNGImage(const ImageIn p++; /* change_sync */ if (change_delay && (p-chunk) < (ssize_t) (length-4)) { - frame_delay=(100*(mng_get_long(p))/ - mng_info->ticks_per_second); + if (mng_info->ticks_per_second == 0) + frame_delay=0; + else + frame_delay=(100*(mng_get_long(p))/ + mng_info->ticks_per_second); if (change_delay == 2) default_frame_delay=frame_delay; p+=4; @@ -4638,8 +4641,11 @@ static Image *ReadMNGImage(const ImageIn } if (change_timeout && (p-chunk) < (ssize_t) (length-4)) { - frame_timeout= - (100*(mng_get_long(p))/mng_info->ticks_per_second); + if (mng_info->ticks_per_second == 0) + frame_timeout=0; + else + frame_timeout= + (100*(mng_get_long(p))/mng_info->ticks_per_second); if (change_timeout == 2) default_frame_timeout=frame_timeout; p+=4;
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