From 6cefe972445185cbb9c76651231d52512e0ec14b Mon Sep 17 00:00:00 2001 From: Dirk Lemstra Date: Sat, 28 Feb 2026 11:01:24 +0100 Subject: [PATCH] Corrected typecast to avoid an out of bounds write (GHSA-r39q-jr8h-gcq2) --- coders/sixel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: ImageMagick-7.1.1-43/coders/sixel.c =================================================================== --- ImageMagick-7.1.1-43.orig/coders/sixel.c +++ ImageMagick-7.1.1-43/coders/sixel.c @@ -577,7 +577,7 @@ static MagickBooleanType sixel_decode(Im return(MagickFalse); } for (x = 0; x < repeat_count; x++) - imbuf[(int) offset+x] = color_index; + imbuf[(size_t) offset+x] = color_index; } if (max_x < (position_x+repeat_count-1)) max_x = position_x+repeat_count-1;