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-rw-r--r--src/or/routerparse.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/or/routerparse.c b/src/or/routerparse.c
index 4f88603c33..e35ece06de 100644
--- a/src/or/routerparse.c
+++ b/src/or/routerparse.c
@@ -2655,6 +2655,10 @@ networkstatus_parse_vote_from_string(const char *s, const char **eos_out,
if (! n_signatures) {
log_warn(LD_DIR, "No signatures on networkstatus vote.");
goto err;
+ } else if (ns->type == NS_TYPE_VOTE && n_signatures != 1) {
+ log_warn(LD_DIR, "Received more than one signature on a "
+ "network-status vote.");
+ goto err;
}
if (eos_out)