diff --git a/devices/vector/gdevpdfm.c b/devices/vector/gdevpdfm.c
index 51c126cd5308e9dff9c5fd3ee0bee43233793882..35fca120a14f9d33657e4d4d9be654a1acfd6c60 100644
--- a/devices/vector/gdevpdfm.c
+++ b/devices/vector/gdevpdfm.c
@@ -199,6 +199,8 @@ pdfmark_coerce_dest(gs_param_string *dstr, char dest[MAX_DEST_STRING])
 {
 const byte *data = dstr->data;
 uint size = dstr->size;
+ if (size> MAX_DEST_STRING)
+ return_error(gs_error_limitcheck);
 if (size == 0 || data[0] != '(')
 return 0;
 /****** HANDLE ESCAPES ******/
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://gitee.com/openkylin/ghostscript/pulls/60.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://gitee.com/openkylin/ghostscript/pulls/60.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>