diff -up ./nss/lib/ssl/sslsock.c.handle_null ./nss/lib/ssl/sslsock.c --- ./nss/lib/ssl/sslsock.c.handle_null 2015-08-07 11:14:17.664389222 -0700 +++ ./nss/lib/ssl/sslsock.c 2015-08-07 11:15:33.690950335 -0700 @@ -1193,8 +1193,17 @@ ssl_IsRemovedCipherSuite(PRInt32 suite) /* both ssl2 and export cipher suites disabled */ if (SSL_IS_SSL2_CIPHER(suite)) return PR_TRUE; - if (SSL_IsExportCipherSuite(suite)) - return PR_TRUE; + if (SSL_IsExportCipherSuite(suite)) { + SSLCipherSuiteInfo csdef; + if (SSL_GetCipherSuiteInfo(suite, &csdef, sizeof(csdef)) != SECSuccess) { + /* failure to retrieve info, disable */ + return PR_TRUE; + } + if (csdef.symCipher != ssl_calg_null) { + /* disable all except NULL ciphersuites */ + return PR_TRUE; + } + } #endif /* NSS_NO_SSL2_NO_EXPORT */ switch (suite) { case SSL_FORTEZZA_DMS_WITH_NULL_SHA: