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Diffstat (limited to 'security/nss/lib/certdb/certv3.c')
-rw-r--r--security/nss/lib/certdb/certv3.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/security/nss/lib/certdb/certv3.c b/security/nss/lib/certdb/certv3.c
index bf0bcf96c..d27fc1ba0 100644
--- a/security/nss/lib/certdb/certv3.c
+++ b/security/nss/lib/certdb/certv3.c
@@ -213,7 +213,7 @@ CERT_CheckCertUsage(CERTCertificate *cert, unsigned char usage)
if (rv == SECFailure) {
rv = (PORT_GetError() == SEC_ERROR_EXTENSION_NOT_FOUND) ? SECSuccess
: SECFailure;
- } else if (!(keyUsage.data[0] & usage)) {
+ } else if (!keyUsage.data || !(keyUsage.data[0] & usage)) {
PORT_SetError(SEC_ERROR_CERT_USAGES_INVALID);
rv = SECFailure;
}