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avformat/iamf_parse: add missing constrains for num_parameters in audio_element_oub()

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Fixes ticket #11475.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2025-02-17 11:41:24 -03:00
parent 6e26f57f67
commit 0526535cd5
1 changed files with 6 additions and 0 deletions
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6
libavformat/iamf_parse.c
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@ -733,6 +733,12 @@ static int audio_element_obu(void *s, IAMFContext *c, AVIOContext *pb, int len)
}
num_parameters = ffio_read_leb(pbc);
if (num_parameters > 2 && audio_element_type == 0) {
av_log(s, AV_LOG_ERROR, "Audio Element parameter count %u is invalid"
" for Channel representations\n", num_parameters);
ret = AVERROR_INVALIDDATA;
goto fail;
}
if (num_parameters && audio_element_type != 0) {
av_log(s, AV_LOG_ERROR, "Audio Element parameter count %u is invalid"
" for Scene representations\n", num_parameters);