@@ -243,15 +243,15 @@ static int pefromupx (const char *src, uint32_t ssize, char *dst, uint32_t *dsiz

   memcpy(newbuf+0xd0, pehdr,0xf8+0x28*sectcnt);

   sections = pehdr+0xf8;

   for (upd = 0; upd <sectcnt ; upd++) {

-      int32_t offset1, offset2, offset3;

-      offset1 = cli_readint32(sections+20);

-      offset2 = cli_readint32(sections+16);

+      uint32_t offset1, offset2, offset3;

+      offset1 = (uint32_t)cli_readint32(sections+20);

+      offset2 = (uint32_t)cli_readint32(sections+16);

       if (offset1 > foffset || offset2 > foffset || offset1 + offset2 > foffset) {

           free(newbuf);

           return 1;

       }

-      offset3 = cli_readint32(sections+12);

+      offset3 = (uint32_t)cli_readint32(sections+12);

       if (offset3-upx0 > *dsize) {

           free(newbuf);

           return 1;