# 4.0.6 11/06/2018 * Support #2512: http events - Weird unicode characters and truncation in some of http_method/http_user_agent fields * Support #2546: Suricata 4.0.x blocking issues * Bug #2568: negated fileext and filename do not work as expected (4.0.x) * Bug #2576: filemd5 is not fired in some cases when there are invalid packets * Bug #2607: File descriptor leak in af-packet mode (4.0.x) * Bug #2634: Improve errors handling in AF_PACKET (4.0.x) * Security #2658: smtp segmentation fault (4.0.x) * Bug #2664: libhtp 0.5.28 (4.0.x)