We subtract 24 so it must be at least 24 Fixes: CID1604482 Overflowed constant
Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <[email protected]> --- libavformat/asfdec_o.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/asfdec_o.c b/libavformat/asfdec_o.c index dfe448e9f7e..dd187e600d0 100644 --- a/libavformat/asfdec_o.c +++ b/libavformat/asfdec_o.c @@ -867,6 +867,9 @@ static int asf_read_simple_index(AVFormatContext *s, const GUIDParseTable *g) int64_t offset; uint64_t size = avio_rl64(pb); + if (size < 24) + return AVERROR_INVALIDDATA; + // simple index objects should be ordered by stream number, this loop tries to find // the first not indexed video stream for (i = 0; i < asf->nb_streams; i++) { -- 2.45.2 _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
