Truncate max_width for renderTable

Bug-Debian: https://github.com/tats/w3m/issues/25 [CVE-2016-9426]
Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=b910f0966d9efea93ea8cef491000a83ffb49c5e

1 files changed, 4 insertions, 0 deletions

diff --git a/table.c b/table.c
index deeab0a..a54ea01 100644
--- a/table.c
+++ b/table.c
@@ -1724,6 +1724,10 @@ renderTable(struct table *t, int max_width, struct html_feed_environ *h_env)
     if (max_width < rulewidth)
 	max_width = rulewidth;
 
+#define MAX_TABWIDTH 10000
+    if (max_width > MAX_TABWIDTH)
+	max_width = MAX_TABWIDTH;
+
     check_maximum_width(t);
 
 #ifdef MATRIX