fix a /0 in frame parse

Thanks voidz0r

See #83

Author: jcupitt

CHANGELOG.md

@@ -5,6 +5,7 @@
 * fix docs build with LLVM != 14 [bgilbert]
 * improve thread safety docs [mollyclaretechcyte]
 * fix a double free error and clarify docs on pointer ownership [dtatsis]
+* fix a divide by zero error [voidz0r]
 
 ## 1.0.5, 9/10/23
 

src/dicom-file.c

@@ -324,6 +324,12 @@ static bool get_frame_size(DcmError **error,
         !get_tag_int(error, metadata, "Rows", &height)) {
         return false;
     }
+    if (width <= 0 || height <= 0) {
+        dcm_error_set(error, DCM_ERROR_CODE_PARSE,
+                      "Frame read failed",
+                      "Value of 'Columns' or 'Rows' is out of range");
+        return false;
+    }
 
     *frame_width = (uint32_t) width;
     *frame_height = (uint32_t) height;