diff options
| -rw-r--r-- | libavformat/mxfdec.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index b85c10bf19..d7cdd22c8a 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -932,7 +932,13 @@ static int mxf_read_cryptographic_context(void *arg, AVIOContext *pb, int tag, i static int mxf_read_strong_ref_array(AVIOContext *pb, UID **refs, int *count) { - *count = avio_rb32(pb); + unsigned c = avio_rb32(pb); + + //avio_read() used int + if (c > INT_MAX / sizeof(UID)) + return AVERROR_PATCHWELCOME; + *count = c; + av_free(*refs); *refs = av_calloc(*count, sizeof(UID)); if (!*refs) { |