1 files changed, 7 insertions, 2 deletions

diff --git a/src/lib/libcrypto/ec/ec_lib.c b/src/lib/libcrypto/ec/ec_lib.c
index a16fe05c44..327cda900b 100644
--- a/src/lib/libcrypto/ec/ec_lib.c
+++ b/src/lib/libcrypto/ec/ec_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ec_lib.c,v 1.76 2024/11/02 15:58:49 tb Exp $ */
+/* $OpenBSD: ec_lib.c,v 1.77 2024/11/03 13:53:14 tb Exp $ */
 /*
  * Originally written by Bodo Moeller for the OpenSSL project.
  */
@@ -1001,9 +1001,14 @@ int
 EC_POINT_get_affine_coordinates(const EC_GROUP *group, const EC_POINT *point,
     BIGNUM *x, BIGNUM *y, BN_CTX *ctx_in)
 {
-        BN_CTX *ctx;
+        BN_CTX *ctx = NULL;
         int ret = 0;
 
+        if (EC_POINT_is_at_infinity(group, point) > 0) {
+                ECerror(EC_R_POINT_AT_INFINITY);
+                goto err;
+        }
+
         if ((ctx = ctx_in) == NULL)
                 ctx = BN_CTX_new();
         if (ctx == NULL)