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-rw-r--r--crypto/asn1/a_bitstr.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/crypto/asn1/a_bitstr.c b/crypto/asn1/a_bitstr.c
index c429342e03d4..0c8bb144a099 100644
--- a/crypto/asn1/a_bitstr.c
+++ b/crypto/asn1/a_bitstr.c
@@ -56,6 +56,7 @@
* [including the GNU Public Licence.]
*/
+#include <limits.h>
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/asn1.h>
@@ -136,6 +137,11 @@ ASN1_BIT_STRING *c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a,
goto err;
}
+ if (len > INT_MAX) {
+ i = ASN1_R_STRING_TOO_LONG;
+ goto err;
+ }
+
if ((a == NULL) || ((*a) == NULL)) {
if ((ret = M_ASN1_BIT_STRING_new()) == NULL)
return (NULL);