diff --git a/Changelog b/Changelog
index e51f2ccc0592ff06e21076597bfafb97813a417d..ae04cd4cab739b9d895e1309f058e2d2d76ae36b 100644
--- a/Changelog
+++ b/Changelog
@@ -1,6 +1,23 @@
 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.
 
+version 4.2.7
+ avfilter/vf_colorspace: fix memmory leaks
+ avformat/nutenc: don't allocate a dynamic AVIOContext if no index is going to be written
+ avfilter/vf_random: fix memory leaks
+ avfilter/vf_bwdif: fix heap-buffer overflow
+ fftools/ffmpeg_opt: Fix leak of options when parsing options fails
+ avfilter/vf_edgedetect: fix heap-buffer overflow
+ avfilter/vf_w3fdif: deny processing small videos
+ avfilter/vf_avgblur: fix heap-buffer overflow
+ avfilter/af_tremolo: fix heap-buffer overflow
+ avfilter/vf_edgedetect: check if height is big enough
+ avfilter/vf_bitplanenoise: fix overreads
+ avfilter/vf_fieldorder: fix heap-buffer overflow
+ avfilter/vf_fieldmatch: fix heap-buffer overflow
+ avcodec/pngenc: remove monowhite from apng formats
+ lavf/tls_mbedtls: add support for mbedtls version 3
+
 version 4.2.6
  configure: bump year
  avfilter/vf_lenscorrection: make width/height int
diff --git a/RELEASE b/RELEASE
index d6f85abf68d9621464e0388d087c8c66fa6894b0..4739c61f1e6b2af26bef39c7929320cbe3f53cdc 100644
--- a/RELEASE
+++ b/RELEASE
@@ -1 +1 @@
-4.2.6
+4.2.7
diff --git a/doc/Doxyfile b/doc/Doxyfile
index ddbb20b869c38107063ce8a430197ee6e4c93b35..eb9634cb6249977451c17f8e44f92083675769c4 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = FFmpeg
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 4.2.6
+PROJECT_NUMBER         = 4.2.7
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a