diff options
| -rw-r--r-- | lib/ssl/ssl3exthandle.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/ssl/ssl3exthandle.c b/lib/ssl/ssl3exthandle.c index a74006f70..07565ba00 100644 --- a/lib/ssl/ssl3exthandle.c +++ b/lib/ssl/ssl3exthandle.c @@ -1034,7 +1034,9 @@ ssl_ParseSessionTicket(sslSocket *ss, const SECItem *decryptedTicket, PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); return SECFailure; } - parsedTicket->timestamp = (PRTime)temp << 32; + + /* Cast to avoid undefined behavior if the top bit is set. */ + parsedTicket->timestamp = (PRTime)((PRUint64)temp << 32); rv = ssl3_ExtConsumeHandshakeNumber(ss, &temp, 4, &buffer, &len); if (rv != SECSuccess) { PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); |