mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-27 18:50:48 +00:00
Code Issues 1 Projects Releases Wiki Activity

oggstream: protect against out-of-bounds read

Browse source 
We need at least 17 bytes of data for a valid flac header

oss-fuzz #6974
This commit is contained in:
Edward Hervey 2018-03-17 06:33:38 +01:00 committed by Edward Hervey
parent 57516c5153
commit 17d5f08316
1 changed files with 3 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
ext/ogg/gstoggstream.c
View file

@ -1050,6 +1050,9 @@ static gboolean
is_header_fLaC (GstOggStream * pad, ogg_packet * packet)
{
if (pad->n_header_packets_seen == 1) {
if (packet->bytes < 17)
return FALSE;
pad->granulerate_n = (packet->packet[14] << 12) |
(packet->packet[15] << 4) | ((packet->packet[16] >> 4) & 0xf);
}