Fixed bug#41361 (shell_exec() does not find binaries)

main/php_ini.c

@@ -352,12 +352,15 @@ int php_init_config(TSRMLS_D)
 		if (sapi_module.executable_location) {
 			binary_location = (char *)emalloc(PATH_MAX);
 			if (!strchr(sapi_module.executable_location, '/')) {
-				char *path;
+				char *envpath, *path;
 				int found = 0;
 
-				if ((path = getenv("PATH")) != NULL) {
+				if ((envpath = getenv("PATH")) != NULL) {
 					char *search_dir, search_path[MAXPATHLEN];
 					char *last;
+					int pathlen = strlen(envpath) + 1;
+					path = malloc(pathlen);
+					memcpy(path, envpath, pathlen);
 
 					search_dir = php_strtok_r(path, ":", &last);
 					while (search_dir) {