Fix resource leaks in ec_points_make_affine()

Add missing BN_CTX_end() and free prod_Z.

CID 552848 (for prod_Z)

1 files changed, 4 insertions, 1 deletions

diff --git a/src/lib/libcrypto/ec/ecp_hp_methods.c b/src/lib/libcrypto/ec/ecp_hp_methods.c
index 72df395498..c62334e7c8 100644
--- a/src/lib/libcrypto/ec/ecp_hp_methods.c
+++ b/src/lib/libcrypto/ec/ecp_hp_methods.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: ecp_hp_methods.c,v 1.2 2025/05/25 05:43:33 jsing Exp $        */
+/*      $OpenBSD: ecp_hp_methods.c,v 1.3 2025/06/01 03:23:33 tb Exp $   */
 /*
  * Copyright (c) 2024-2025 Joel Sing <jsing@openbsd.org>
  *
@@ -778,6 +778,9 @@ ec_points_make_affine(const EC_GROUP *group, size_t num, EC_POINT *points[],
         ret = 1;
 
  err:
+        BN_CTX_end(ctx);
+        free(prod_Z);
+
         return ret;
 }
 #endif