ffmpeg | branch: release/7.0 | Michael Niedermayer <mich...@niedermayer.cc> | Mon Apr 22 03:23:10 2024 +0200| [ad26b2d05a4cfc583dc502cc6c7bc41bb45c4d69] | committer: Michael Niedermayer
avcodec/cbs_h2645: Check NAL space Found-by-reviewing: CID1419833 Untrusted loop bound Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit b91e3c4c908228901b1ec120d59ddf5a86c3b3b8) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ad26b2d05a4cfc583dc502cc6c7bc41bb45c4d69 --- libavcodec/cbs_h2645.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c index 8e4af7b2cc..db803ea351 100644 --- a/libavcodec/cbs_h2645.c +++ b/libavcodec/cbs_h2645.c @@ -708,7 +708,11 @@ static int cbs_h2645_split_fragment(CodedBitstreamContext *ctx, start = bytestream2_tell(&gbc); for(i = 0; i < num_nalus; i++) { + if (bytestream2_get_bytes_left(&gbc) < 2) + return AVERROR_INVALIDDATA; size = bytestream2_get_be16(&gbc); + if (bytestream2_get_bytes_left(&gbc) < size) + return AVERROR_INVALIDDATA; bytestream2_skip(&gbc, size); } end = bytestream2_tell(&gbc); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
