Fix CVE-2008-2149: buffer overflows by limiting the length of the string in sprintf
format string
Closes: #481186 (CVE-2008-2149)
Please note: The WordNet code contains several other occurences of potentially
exploitable functions like strcpy()/strcat()/...  and so even if there are no
known exploits the code needs a full security audit.

--- a/src/wn.c
+++ b/src/wn.c
@@ -206,7 +206,8 @@ static int searchwn(int ac, char *av[])
 		    outsenses += do_search(av[1], optptr->pos, optptr->search,
 					    whichsense, optptr->label);
 	    } else {
-		sprintf(tmpbuf, "wn: invalid search option: %s\n", av[j]);
+		/* Fix CVE-2008-2149: buffer overflows Andreas Tille <tille@debian.org> */
+		sprintf(tmpbuf, "wn: invalid search option: %.200s\n", av[j]);
 		display_message(tmpbuf);
 		errcount++;
 	    }
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<tr><td><span title='2020-03-22 16:49:47 +0100'>2020-03-22</span></td><td><a href='/guix/commit/tests/cache.scm?id=9acacb71c958218fd69cf0fb9df0b439a980a0f2'>Remove workaround for 'time-monotonic' in Guile 2.2.2.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-04-22 14:42:15 +0200'>2017-04-22</span></td><td><a href='/guix/commit/tests/cache.scm?id=25a49294caf2386e65fc1b12a2508324be0b1cc2'>cache: Work around 'time-monotonic' bug in Guile 2.2.2.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-04-18 23:19:30 +0200'>2017-04-18</span></td><td><a href='/guix/commit/tests/cache.scm?id=2ea2aac6e9d58a07c029504f94fb5015cd407e31'>Add (guix cache) and use it in (guix scripts substitute).</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>