1 files changed, 3 insertions, 1 deletions

diff --git a/networking/whois.c b/networking/whois.c
index 55e1de964..caa71ac51 100644
--- a/networking/whois.c
+++ b/networking/whois.c
@@ -53,7 +53,9 @@ static char *query(const char *host, int port, const char *domain)
         fp = xfdopen_for_read(fd);
 
         success = 0;
-        while (fgets(linebuf, sizeof(linebuf)-1, fp)) {
+        while (bufpos < 32*1024 /* paranoia */
+         && fgets(linebuf, sizeof(linebuf)-1, fp)
+        ) {
                 unsigned len;
 
                 len = strcspn(linebuf, "\r\n");