Module: libav Branch: master Commit: 74d98d1b0e0e7af444c933ea3c472494de3ce6f2
Author: Luca Barbato <[email protected]> Committer: Luca Barbato <[email protected]> Date: Wed Feb 17 02:16:42 2016 +0100 mpegts: Validate the SL Packet Header Configuration timeStampLength, OCRLength and AU_Length have well specified upper boundaries. Signed-off-by: Luca Barbato <[email protected]> --- libavformat/mpegts.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 4a593cb..740cc14 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -1171,6 +1171,11 @@ static int parse_MP4SLDescrTag(MP4DescrParseContext *d, int64_t off, int len) descr->sl.degr_prior_len = lengths >> 12; descr->sl.au_seq_num_len = (lengths >> 7) & 0x1f; descr->sl.packet_seq_num_len = (lengths >> 2) & 0x1f; + if (descr->sl.timestamp_len >= 64 || + descr->sl.ocr_len >= 64 || + descr->sl.au_len >= 32) { + return AVERROR_INVALIDDATA; + } } else { avpriv_report_missing_feature(d->s, "Predefined SLConfigDescriptor"); } _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
