ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu May 2 20:45:14 2019 +0200| [3b5b977c9f96e2c3803317ad75253801bc571791] | committer: Michael Niedermayer
avformat/webm_chunk: Check header filename length Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3b5b977c9f96e2c3803317ad75253801bc571791 --- libavformat/webm_chunk.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/libavformat/webm_chunk.c b/libavformat/webm_chunk.c index 2c99753b5b..1124dab144 100644 --- a/libavformat/webm_chunk.c +++ b/libavformat/webm_chunk.c @@ -92,11 +92,16 @@ static int get_chunk_filename(AVFormatContext *s, int is_header, char *filename) return AVERROR(EINVAL); } if (is_header) { + int len; if (!wc->header_filename) { av_log(oc, AV_LOG_ERROR, "No header filename provided\n"); return AVERROR(EINVAL); } - av_strlcpy(filename, wc->header_filename, MAX_FILENAME_SIZE); + len = av_strlcpy(filename, wc->header_filename, MAX_FILENAME_SIZE); + if (len >= MAX_FILENAME_SIZE) { + av_log(oc, AV_LOG_ERROR, "Header filename too long\n"); + return AVERROR(EINVAL); + } } else { if (av_get_frame_filename(filename, MAX_FILENAME_SIZE, s->url, wc->chunk_index - 1) < 0) { _______________________________________________ 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".
