diff options
Diffstat (limited to 'meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch')
| -rw-r--r-- | meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch new file mode 100644 index 0000000000..a28404b072 --- /dev/null +++ b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch @@ -0,0 +1,26 @@ +avcodec/cdgraphics: check buffer size before use + +Fixes out of array accesses + +Backported from:http://git.videolan.org/?p=ffmpeg.git;a=commit;h=ad002e1a13a8df934bd6cb2c84175a4780ab8942 + +Upstream-status: Backport + +Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind +Signed-off-by: Michael Niedermayer <michaelni@gmx.at> +Signed-off-by: Ming Liu <ming.liu@windriver.com> + +diff -urpN a/gst-libs/ext/libav/libavcodec/cdgraphics.c b/gst-libs/ext/libav/libavcodec/cdgraphics.c +--- a/gst-libs/ext/libav/libavcodec/cdgraphics.c 2013-07-18 13:17:08.399876575 +0800 ++++ b/gst-libs/ext/libav/libavcodec/cdgraphics.c 2013-07-18 13:18:05.880502267 +0800 +@@ -291,7 +291,9 @@ static int cdg_decode_frame(AVCodecConte + inst = bytestream_get_byte(&buf); + inst &= CDG_MASK; + buf += 2; /// skipping 2 unneeded bytes +- bytestream_get_buffer(&buf, cdg_data, buf_size - CDG_HEADER_SIZE); ++ ++ if (buf_size > CDG_HEADER_SIZE) ++ bytestream_get_buffer(&buf, cdg_data, buf_size - CDG_HEADER_SIZE); + + if ((command & CDG_MASK) == CDG_COMMAND) { + switch (inst) { |