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commit 79cc97bf7d757d3ae41ef9b8b95187031047ab29 Author: Michael Niedermayer <[email protected]> AuthorDate: Sat May 16 20:35:11 2026 +0200 Commit: Michael Niedermayer <[email protected]> CommitDate: Thu Jun 18 05:09:43 2026 +0200 avformat/dashdec: Fail with any inner stream count being 0 Fixes: ada-3-poc.mpd Found-by: Claude and Ada Logics. This issue was found by Anthropic from using agents to study security of open source projects, and I am from Ada Logics helping validate the found issues and report to maintainers. Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit b99c6fc8c362062f00f1eafd763d4449ad2ad512) Signed-off-by: Michael Niedermayer <[email protected]> --- libavformat/dashdec.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c index b93e0b24a1..81334c2cdc 100644 --- a/libavformat/dashdec.c +++ b/libavformat/dashdec.c @@ -2069,6 +2069,8 @@ static int dash_read_header(AVFormatContext *s) if (ret) return ret; + if (rep->ctx->nb_streams == 0) + return AVERROR_PATCHWELCOME; rep->stream_index = stream_index; ++stream_index; } @@ -2087,6 +2089,8 @@ static int dash_read_header(AVFormatContext *s) if (ret) return ret; + if (rep->ctx->nb_streams == 0) + return AVERROR_PATCHWELCOME; rep->stream_index = stream_index; ++stream_index; } @@ -2105,6 +2109,8 @@ static int dash_read_header(AVFormatContext *s) if (ret) return ret; + if (rep->ctx->nb_streams == 0) + return AVERROR_PATCHWELCOME; rep->stream_index = stream_index; ++stream_index; } _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
