diff --git a/HISTORY b/HISTORY
index fa15dd26..c20055f9 100644
--- a/HISTORY
+++ b/HISTORY
@@ -2,12 +2,14 @@ History
 
 2019/MM/DD: Version 6.9.4
 
-2019/11/14: Release Candidate 2 for Version 6.9.4
+2019/11/22: Release Candidate 3 for Version 6.9.4
 
+2019/11/20: fix a problem found by libFuzzer test
+2019/11/14: Release Candidate 2 for Version 6.9.4
 2019/11/12: fix integer overflow by nested quantifier
-2019/11/11: fix #164: Integer overflow related to reg->dmax in search_in_range()
-2019/11/07: fix #163: heap-buffer-overflow in gb18030_mbc_enc_len()
-2019/11/06: fix #162: heap-buffer-overflow in fetch_interval_quantifier()
+2019/11/11: fix CVE-2019-19012: Integer overflow related to reg->dmax in search_in_range()
+2019/11/07: fix CVE-2019-19203: heap-buffer-overflow in gb18030_mbc_enc_len()
+2019/11/06: fix CVE-2019-19204: heap-buffer-overflow in fetch_interval_quantifier()
 2019/11/06: add HAVE_INTTYPES_H into config.h.windows.in and config.h.win{32,64}
 2019/11/06: add HAVE_STDINT_H into config.h.win{32,64}
 2019/11/05: Release Candidate 1 for Version 6.9.4