diff --git a/crypto/bn/bn_conv.c b/crypto/bn/bn_conv.c
index 57dda04b0d..8360712d82 100644
--- a/crypto/bn/bn_conv.c
+++ b/crypto/bn/bn_conv.c
@@ -63,7 +63,7 @@ char *BN_bn2dec(const BIGNUM *a)
     num = (i / 10 + i / 1000 + 1) + 1;
     tbytes = num + 3;   /* negative and terminator and one spare? */
     bn_data_num = num / BN_DEC_NUM + 1;
-    bn_data = OPENSSL_malloc(bn_data_num * sizeof(BN_ULONG));
+    bn_data = OPENSSL_malloc_array(bn_data_num, sizeof(BN_ULONG));
     buf = OPENSSL_malloc(tbytes);
     if (buf == NULL || bn_data == NULL)
         goto err;
diff --git a/crypto/bn/bn_ctx.c b/crypto/bn/bn_ctx.c
index aa70ca7a3f..036127560c 100644
--- a/crypto/bn/bn_ctx.c
+++ b/crypto/bn/bn_ctx.c
@@ -266,7 +266,7 @@ static int BN_STACK_push(BN_STACK *st, unsigned int idx)
             st->size ? (st->size * 3 / 2) : BN_CTX_START_FRAMES;
         unsigned int *newitems;
 
-        if ((newitems = OPENSSL_malloc(sizeof(*newitems) * newsize)) == NULL)
+        if ((newitems = OPENSSL_malloc_array(newsize, sizeof(*newitems))) == NULL)
             return 0;
         if (st->depth)
             memcpy(newitems, st->indexes, sizeof(*newitems) * st->depth);
diff --git a/crypto/bn/bn_gf2m.c b/crypto/bn/bn_gf2m.c
index 666c7bef03..f672371639 100644
--- a/crypto/bn/bn_gf2m.c
+++ b/crypto/bn/bn_gf2m.c
@@ -474,7 +474,7 @@ int BN_GF2m_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
     bn_check_top(b);
     bn_check_top(p);
 
-    arr = OPENSSL_malloc(sizeof(*arr) * max);
+    arr = OPENSSL_malloc_array(max, sizeof(*arr));
     if (arr == NULL)
         return 0;
     ret = BN_GF2m_poly2arr(p, arr, max);
@@ -534,7 +534,7 @@ int BN_GF2m_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
     bn_check_top(a);
     bn_check_top(p);
 
-    arr = OPENSSL_malloc(sizeof(*arr) * max);
+    arr = OPENSSL_malloc_array(max, sizeof(*arr));
     if (arr == NULL)
         return 0;
     ret = BN_GF2m_poly2arr(p, arr, max);
@@ -917,7 +917,7 @@ int BN_GF2m_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
     bn_check_top(b);
     bn_check_top(p);
 
-    arr = OPENSSL_malloc(sizeof(*arr) * max);
+    arr = OPENSSL_malloc_array(max, sizeof(*arr));
     if (arr == NULL)
         return 0;
     ret = BN_GF2m_poly2arr(p, arr, max);
@@ -979,7 +979,7 @@ int BN_GF2m_mod_sqrt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
     bn_check_top(a);
     bn_check_top(p);
 
-    arr = OPENSSL_malloc(sizeof(*arr) * max);
+    arr = OPENSSL_malloc_array(max, sizeof(*arr));
     if (arr == NULL)
         return 0;
     ret = BN_GF2m_poly2arr(p, arr, max);
@@ -1113,7 +1113,7 @@ int BN_GF2m_mod_solve_quad(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
     bn_check_top(a);
     bn_check_top(p);
 
-    arr = OPENSSL_malloc(sizeof(*arr) * max);
+    arr = OPENSSL_malloc_array(max, sizeof(*arr));
     if (arr == NULL)
         goto err;
     ret = BN_GF2m_poly2arr(p, arr, max);
diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c
index 1b9a9e5010..67d74e3e7e 100644
--- a/crypto/bn/bn_lib.c
+++ b/crypto/bn/bn_lib.c
@@ -276,9 +276,9 @@ static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
         return NULL;
     }
     if (BN_get_flags(b, BN_FLG_SECURE))
-        a = OPENSSL_secure_zalloc(words * sizeof(*a));
+        a = OPENSSL_secure_calloc(words, sizeof(*a));
     else
-        a = OPENSSL_zalloc(words * sizeof(*a));
+        a = OPENSSL_calloc(words, sizeof(*a));
     if (ossl_unlikely(a == NULL))
         return NULL;
 
diff --git a/crypto/bn/bn_mod.c b/crypto/bn/bn_mod.c
index c3aa090046..17ddcc8b03 100644
--- a/crypto/bn/bn_mod.c
+++ b/crypto/bn/bn_mod.c
@@ -63,7 +63,7 @@ int bn_mod_add_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
         return 0;
 
     if (mtop > OSSL_NELEM(storage)) {
-        tp = OPENSSL_malloc(mtop * sizeof(BN_ULONG));
+        tp = OPENSSL_malloc_array(mtop, sizeof(BN_ULONG));
         if (tp == NULL)
             return 0;
     }
diff --git a/crypto/bn/bn_prime.c b/crypto/bn/bn_prime.c
index 96eb1b3c34..3b0db71194 100644
--- a/crypto/bn/bn_prime.c
+++ b/crypto/bn/bn_prime.c
@@ -144,7 +144,7 @@ int BN_generate_prime_ex2(BIGNUM *ret, int bits, int safe,
         return 0;
     }
 
-    mods = OPENSSL_zalloc(sizeof(*mods) * NUMPRIMES);
+    mods = OPENSSL_calloc(NUMPRIMES, sizeof(*mods));
     if (mods == NULL)
         return 0;
 
diff --git a/crypto/bn/bn_s390x.c b/crypto/bn/bn_s390x.c
index 0b60f4ec1d..5d69824123 100644
--- a/crypto/bn/bn_s390x.c
+++ b/crypto/bn/bn_s390x.c
@@ -31,7 +31,7 @@ static int s390x_mod_exp_hw(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
     if (OPENSSL_s390xcex == -1 || OPENSSL_s390xcex_nodev)
         return 0;
     size = BN_num_bytes(m);
-    buffer = OPENSSL_zalloc(4 * size);
+    buffer = OPENSSL_calloc(size, 4);
     if (buffer == NULL)
         return 0;
     me.inputdata = buffer;