Upstream-Status: Backporting [https://downloads.isc.org/isc/bind9/9.16.12/patches/CVE-2020-8625.patch]
CVE: CVE-2020-8625
Signed-off-by: Minjae Kim <flowergom@gmail.com>

diff --git a/lib/dns/spnego.c b/lib/dns/spnego.c
index e61d1c600f2..753dc8049fa 100644
--- a/lib/dns/spnego.c
+++ b/lib/dns/spnego.c
@@ -848,7 +848,7 @@ der_get_oid(const unsigned char *p, size_t len, oid *data, size_t *size) {
 		return (ASN1_OVERRUN);
 	}
 
-	data->components = malloc(len * sizeof(*data->components));
+	data->components = malloc((len + 1) * sizeof(*data->components));
 	if (data->components == NULL) {
 		return (ENOMEM);
 	}