Index: ext/curl/interface.c
===================================================================
RCS file: /repository/php-src/ext/curl/interface.c,v
retrieving revision 1.62.2.14.2.27.2.49
diff -u -r1.62.2.14.2.27.2.49 interface.c
--- ext/curl/interface.c	21 May 2009 12:52:05 -0000	1.62.2.14.2.27.2.49
+++ ext/curl/interface.c	26 May 2009 12:27:19 -0000
@@ -1673,6 +1673,20 @@
 					ch->handlers->read->fp = fp;
 					ch->handlers->read->fd = Z_LVAL_PP(zvalue);
 					break;
+				case CURLOPT_STDERR:
+					if (((php_stream *) what)->mode[0] != 'r') {
+						if (ch->handlers->stderr) {
+							zval_ptr_dtor(&ch->handlers->stderr);
+						}
+						zval_add_ref(zvalue);
+						ch->handlers->stderr = *zvalue;
+						zend_list_addref(Z_LVAL_PP(zvalue));
+					} else {
+						php_error_docref(NULL TSRMLS_CC, E_WARNING, "the provided file handle is not writable");
+						RETVAL_FALSE;
+						return 1;
+					}
+					/* break omitted intentionally */
 				default:
 					error = curl_easy_setopt(ch->cp, option, fp);
 					break;
@@ -2268,6 +2282,11 @@
 	fprintf(stderr, "DTOR CALLED, ch = %x\n", ch);
 #endif
 
+	/* Prevent crash inside cURL if passed file has already been closed */
+	if (ch->handlers->stderr && Z_REFCOUNT_P(ch->handlers->stderr) <= 0) {
+		curl_easy_setopt(ch->cp, CURLOPT_STDERR, stderr);
+	}
+
 	curl_easy_cleanup(ch->cp);
 #if LIBCURL_VERSION_NUM < 0x071101
 	zend_llist_clean(&ch->to_free.str);
@@ -2293,6 +2312,9 @@
 	if (ch->handlers->passwd) {
 		zval_ptr_dtor(&ch->handlers->passwd);
 	}
+	if (ch->handlers->stderr) {
+		zval_ptr_dtor(&ch->handlers->stderr);
+	}
 	if (ch->header.str_len > 0) {
 		efree(ch->header.str);
 	}
Index: ext/curl/php_curl.h
===================================================================
RCS file: /repository/php-src/ext/curl/php_curl.h,v
retrieving revision 1.44.2.2.2.2.2.4
diff -u -r1.44.2.2.2.2.2.4 php_curl.h
--- ext/curl/php_curl.h	3 May 2009 14:59:46 -0000	1.44.2.2.2.2.2.4
+++ ext/curl/php_curl.h	26 May 2009 12:27:19 -0000
@@ -108,6 +108,7 @@
 	php_curl_read  *read;
 	zval           *passwd;
 	php_curl_progress *progress;
+	zval           *stderr;
 } php_curl_handlers;
 
 struct _php_curl_error  {