| Message ID | 20230910010952.24389-2-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | d2e8974699a9e35cc1a926bf74a972300d629cd5 |
| Headers | show |
| Series | [FFmpeg-devel,1/3] avcodec/wavarc: Use unsigned for samples in 1dif, 2slp, 5elp | expand |
| Context | Check | Description |
|---|---|---|
| andriy/make_x86 | success | Make finished |
| andriy/make_fate_x86 | success | Make fate finished |
On Sun, Sep 10, 2023 at 03:09:51AM +0200, Michael Niedermayer wrote: > Fixes: out of array access > Fixes: 61991/clusterfuzz-testcase-minimized-ffmpeg_dem_JPEGXL_ANIM_fuzzer-5524679648215040 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavformat/jpegxl_anim_dec.c | 2 ++ > 1 file changed, 2 insertions(+) will apply the 2 jpegxl patches as 2 more reports about the same issue appeared [...]
diff --git a/libavformat/jpegxl_anim_dec.c b/libavformat/jpegxl_anim_dec.c index fc95a1781f6..54cd6e4e9d6 100644 --- a/libavformat/jpegxl_anim_dec.c +++ b/libavformat/jpegxl_anim_dec.c @@ -152,6 +152,8 @@ static int jpegxl_anim_read_packet(AVFormatContext *s, AVPacket *pkt) size = avio_size(pb); if (size < 0) return size; + if (size > INT_MAX) + return AVERROR(EDOM); if (size == 0) size = 4096;
Fixes: out of array access Fixes: 61991/clusterfuzz-testcase-minimized-ffmpeg_dem_JPEGXL_ANIM_fuzzer-5524679648215040 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/jpegxl_anim_dec.c | 2 ++ 1 file changed, 2 insertions(+)