https://github.com/ImageMagick/ImageMagick/issues/1612

ImageMagick · Jun 22, 2019 · cb5ec7d · cb5ec7d
1 parent 35c7032
commit cb5ec7d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/coders/pnm.c b/coders/pnm.c
@@ -1832,7 +1832,7 @@ static MagickBooleanType WritePNMImage(const ImageInfo *image_info,Image *image)
             extent=(size_t) count;
             (void) strncpy((char *) q,buffer,extent);
             q+=extent;
-            if ((q-pixels+extent+1) >= sizeof(pixels))
+            if ((q-pixels+extent+2) >= sizeof(pixels))
               {
                 *q++='\n';
                 (void) WriteBlob(image,q-pixels,pixels);
@@ -1907,7 +1907,7 @@ static MagickBooleanType WritePNMImage(const ImageInfo *image_info,Image *image)
             extent=(size_t) count;
             (void) strncpy((char *) q,buffer,extent);
             q+=extent;
-            if ((q-pixels+extent+1) >= sizeof(pixels))
+            if ((q-pixels+extent+2) >= sizeof(pixels))
               {
                 *q++='\n';
                 (void) WriteBlob(image,q-pixels,pixels);