diff --git a/crypto/asn1/asn1_lib.c b/crypto/asn1/asn1_lib.c
index ea727f33..8526aba3 100644
--- a/crypto/asn1/asn1_lib.c
+++ b/crypto/asn1/asn1_lib.c
@@ -205,7 +205,11 @@ static int asn1_get_length(const unsigned char **pp, int *inf, long *rl,
         } else
             ret = i;
     }
-    if (ret > LONG_MAX)
+    /*
+     * Bound the length to comfortably fit in an int. Lengths in this module
+     * often switch between int and long without overflow checks.
+     */
+    if (ret > INT_MAX / 2)
         return 0;
     *pp = p;
     *rl = (long)ret;