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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-09-10 02:28:05 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-09-14 22:00:17 +0200 |
| commit | d2e8974699a9e35cc1a926bf74a972300d629cd5 (patch) | |
| tree | 6ea9e1301de9ae6783bff1f3b92f86ed15d53a18 | |
| parent | 00a837c70ca2056fbd81ca4af41692e34ef79b69 (diff) | |
| download | ffmpeg-d2e8974699a9e35cc1a926bf74a972300d629cd5.tar.gz | |
avformat/jpegxl_anim_dec: Check that size fits within argument
Fixes: out of array access
Fixes: 61991/clusterfuzz-testcase-minimized-ffmpeg_dem_JPEGXL_ANIM_fuzzer-5524679648215040
Fixes: 62181/clusterfuzz-testcase-minimized-ffmpeg_dem_JPEGXL_ANIM_fuzzer-5504964305485824
Fixes: 62214/clusterfuzz-testcase-minimized-ffmpeg_dem_JPEGXL_ANIM_fuzzer-4782972823535616
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/jpegxl_anim_dec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/jpegxl_anim_dec.c b/libavformat/jpegxl_anim_dec.c index fc95a1781f..54cd6e4e9d 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; |