From 0526535cd58444dd264e810b2f3348b4d96cff3b Mon Sep 17 00:00:00 2001 From: James Almer Date: Mon, 17 Feb 2025 11:41:24 -0300 Subject: [PATCH] avformat/iamf_parse: add missing constrains for num_parameters in audio_element_oub() Fixes ticket #11475. Signed-off-by: James Almer --- libavformat/iamf_parse.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavformat/iamf_parse.c b/libavformat/iamf_parse.c index 316093b35f..f71ea5315b 100644 --- a/libavformat/iamf_parse.c +++ b/libavformat/iamf_parse.c @@ -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);