diff --git a/Changelog b/Changelog
index 34176c53fa..7bc36db2db 100644
--- a/Changelog
+++ b/Changelog
@@ -2,6 +2,15 @@ Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.
 
 version 3.4.7:
+- avcodec/iff: Move index use after check in decodeplane8()
+- avcodec/atrac3: Check for huge block aligns
+- avcodec/ralf: use multiply instead of shift to avoid undefined behavior in decode_block()
+- avcodec/wmadec: Require previous exponents for reuse
+- avcodec/vc1_block: Fix undefined behavior in ac prediction rescaling
+- avcodec/qdm2: The smallest header seems to have 2 bytes so treat 1 as invalid
+- avcodec/apedec: Fixes integer overflow of res+*data in do_apply_filter()
+- avcodec/sonic: Fix integer overflow in predictor_calc_error()
+- avformat/mp3dec: Check that the frame fits within the probe buffe
 - lavc/tableprint_vlc: Remove avpriv_request_sample() from included files.
 - avcodec/wmaprodec: get frame during frame decode
 - avcodec/interplayacm: Fix overflow of last unused value