diff --git a/Changelog b/Changelog
index 737ff7ac5a..7dc42e2851 100644
--- a/Changelog
+++ b/Changelog
@@ -2,6 +2,88 @@ Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.
 
 version <next>:
+- 4xm: check that bits per sample is strictly positive
+- 4xm: Check that the read track value is non-negative
+- 4xm: Reject not a multiple of 16 dimension
+- 8bps: Bound-check the input buffer
+- aac: Check init_get_bits return value
+- aac: return meaningful errors
+- ac3: Clean up the error paths
+- ac3dec: Don't consume more data than the actual input packet size
+- ac3dec: Increment channel pointers only once per channel
+- ac3: Do not clash with normal AVERROR
+- ac3: Return proper error codes
+- adpcm: Write the correct number of samples for ima-dk4
+- alac: Check that the channels fit at the given offset
+- alac: Limit max_samples_per_frame
+- alsdec: Clean up error paths
+- alsdec: Fix the clipping range
+- ape demuxer: check for EOF in potentially long loops
+- atrac3: Error on impossible encoding/channel combinations
+- atrac3: fix error handling
+- atrac3: set the getbits context the right buffer_end
+- ffmpeg: do not use lavfi direct rendering with -deinterlace
+- avidec: Let the inner dv demuxer take care of discarding
+- avio: Handle AVERROR_EOF in the same way as the return value 0
+- bink: Bound check the quantization matrix.
+- dca: Error out on missing DSYNC
+- dca: Respect the current limits in the downmixing capabilities
+- dsicinav: Bound-check the source buffer when needed
+- dsicinav: Clip the source size to the expected maximum
+- dv: Add a guard to not overread the ppcm array
+- dxa: Make sure the reference frame exists
+- h261: check the mtype index
+- iff: Do not read over the source buffer
+- imc: Catch a division by zero
+- indeo4: Check the quantization matrix index
+- indeo4: Do not access missing reference MV
+- indeo4: Validate scantable dimension
+- indeo5: return proper error codes
+- indeo: Bound-check before applying motion compensation
+- indeo: Bound-check before applying transform
+- indeo: Do not reference mismatched tiles
+- indeo: Reject impossible FRAMETYPE_NULL
+- indeo: Sanitize ff_ivi_init_planes fail paths
+- lavf: avoid integer overflow when estimating bitrate
+- lavf: Make sure avg_frame_rate can be calculated without integer overflow
+- matroskadec: Check that .lang was allocated and set before reading it
+- mjpegb: Detect changing number of planes in interlaced video
+- mlpdec: Do not set invalid context in read_restart_header
+- mov: Do not allow updating the time scale after it has been set
+- mov: Seek back if overreading an individual atom
+- mpegvideo: Avoid 32-bit wrapping of linesize multiplications
+- nuv: check ff_rtjpeg_decode_frame_yuv420 return value
+- nuv: Do not ignore lzo decompression failures
+- nuv: Pad the lzo outbuf
+- nuv: Reset the frame on resize
+- nuv: return meaningful error codes.
+- nuv: Use av_fast_realloc
+- ogg: Always alloc the private context in vorbis_header
+- ogg: Fix potential infinite discard loop
+- oma: check geob tag boundary
+- oma: correctly mark and decrypt partial packets
+- oma: refactor seek function
+- pcm: always use codec->id instead of codec_id
+- pcx: Do not overread source buffer in pcx_rle_decode
+- pictordec: break out of both decoding loops when y drops below 0
+- pictordec: pass correct context to avpriv_request_sample
+- qdm2: check and reset dithering index per channel
+- qdm2: Conceal broken samples
+- qdm2: refactor joined stereo support
+- qdm2: use init_static_data
+- rmdec: Use the AVIOContext given as parameter in rm_read_metadata()
+- rtjpeg: Use init_get_bits8
+- rtmp: Do not misuse memcmp
+- rtmp: rename data_size to size
+- segafilm: Error out on impossible packet size
+- vc1: check mb_height validity.
+- vc1: check the source buffer in vc1_mc functions
+- vcr1: add sanity checks
+- vqavideo: check the version
+- westwood_vqa: do not free extradata on error in read_header
+- wmavoice: conceal clearly corrupted blocks
+- wtv: Mark attachment with a negative stream id
+- xl: Make sure the width is valid
 - kmvc: Clip pixel position to valid range
 - kmvc: Use fixed sized arrays in the context
 - indeo: Reject negative array indexes
diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c
index bb46f0174c..c4cbe48b0c 100644
--- a/libavcodec/nuv.c
+++ b/libavcodec/nuv.c
@@ -157,6 +157,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     int keyframe;
     int size_change = 0;
     int result;
+    int ret;
     enum {
         NUV_UNCOMPRESSED  = '0',
         NUV_RTJPEG        = '1',
@@ -273,7 +274,9 @@ retry:
     }
     case NUV_RTJPEG_IN_LZO:
     case NUV_RTJPEG:
-        ff_rtjpeg_decode_frame_yuv420(&c->rtj, &c->pic, buf, buf_size);
+        ret = ff_rtjpeg_decode_frame_yuv420(&c->rtj, &c->pic, buf, buf_size);
+        if (ret < 0)
+            return ret;
         break;
     case NUV_BLACK:
         memset(c->pic.data[0], 0, c->width * c->height);
diff --git a/libavformat/dv.c b/libavformat/dv.c
index a04735ac25..cf513a83b2 100644
--- a/libavformat/dv.c
+++ b/libavformat/dv.c
@@ -113,7 +113,7 @@ static const int dv_audio_frequency[3] = {
  * 3. Audio is always returned as 16bit linear samples: 12bit nonlinear samples
  *    are converted into 16bit linear ones.
  */
-static int dv_extract_audio(uint8_t* frame, uint8_t* ppcm[4],
+static int dv_extract_audio(uint8_t *frame, uint8_t **ppcm,
                             const DVprofile *sys)
 {
     int size, chan, i, j, d, of, smpls, freq, quant, half_ch;
@@ -358,7 +358,7 @@ int avpriv_dv_produce_packet(DVDemuxContext *c, AVPacket *pkt,
                       uint8_t* buf, int buf_size, int64_t pos)
 {
     int size, i;
-    uint8_t *ppcm[4] = {0};
+    uint8_t *ppcm[5] = { 0 };
 
     if (buf_size < DV_PROFILE_BYTES ||
         !(c->sys = avpriv_dv_frame_profile(c->sys, buf, buf_size)) ||
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 9619d95f5e..1d9130fd7c 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2258,15 +2258,18 @@ static void estimate_timings_from_bit_rate(AVFormatContext *ic)
 
     /* if bit_rate is already set, we believe it */
     if (ic->bit_rate <= 0) {
-        int64_t bit_rate = 0;
+        int bit_rate = 0;
         for(i=0;i<ic->nb_streams;i++) {
             st = ic->streams[i];
             if (st->codec->bit_rate > 0) {
+                if (INT_MAX - st->codec->bit_rate < bit_rate) {
+                    bit_rate = 0;
+                    break;
+                }
                 bit_rate += st->codec->bit_rate;
             }
         }
-        if (bit_rate <= INT_MAX)
-            ic->bit_rate = bit_rate;
+        ic->bit_rate = bit_rate;
     }
 
     /* if duration is already set, we believe it */