MXS-3241: Check buffer length

The `is_set` call assumes that at least three characters are present.
2020-10-16 12:19:15 +03:00 · 2020-10-16 12:19:15 +03:00 · 48ef9754df
commit 48ef9754df
parent 8a5fd27327
1 changed files with 1 additions and 1 deletions
--- a/server/modules/protocol/MySQL/mariadbclient/setparser.hh
+++ b/server/modules/protocol/MySQL/mariadbclient/setparser.hh
@ -185,7 +185,7 @@ public:

                        bypass_whitespace();

-                        if (is_set(m_pI))
+                        if (m_pEnd - m_pI > 3 && is_set(m_pI))
                        {
                            rv = parse(pResult);
                        }