diff options
Diffstat (limited to 'meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-error-concealment-initialize-block-index.patch')
-rw-r--r-- | meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-error-concealment-initialize-block-index.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-error-concealment-initialize-block-index.patch b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-error-concealment-initialize-block-index.patch new file mode 100644 index 0000000000..e0e4239c2f --- /dev/null +++ b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-error-concealment-initialize-block-index.patch @@ -0,0 +1,29 @@ +gst-ffmpeg: error concealment: initialize block index. + +Fixes CVE-2011-3941 (out of bounds write) + +Upstream-Status: Backport + +Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind +Signed-off-by: Michael Niedermayer <michaelni@gmx.at> +--- + libavcodec/error_resilience.c | 3 +++ + 1 files changed, 3 insertions(+), 0 deletions(-) + +diff --git a/libavcodec/error_resilience.c b/libavcodec/error_resilience.c +index 8bb5d0c..d55c000 100644 +--- a/gst-libs/ext/libav/libavcodec/error_resilience.c ++++ b/gst-libs/ext/libav/libavcodec/error_resilience.c +@@ -45,6 +45,9 @@ static void decode_mb(MpegEncContext *s, int ref){ + s->dest[1] = s->current_picture.data[1] + (s->mb_y * (16>>s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16>>s->chroma_x_shift); + s->dest[2] = s->current_picture.data[2] + (s->mb_y * (16>>s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16>>s->chroma_x_shift); + ++ ff_init_block_index(s); ++ ff_update_block_index(s); ++ + if(CONFIG_H264_DECODER && s->codec_id == CODEC_ID_H264){ + H264Context *h= (void*)s; + h->mb_xy= s->mb_x + s->mb_y*s->mb_stride; +-- +1.7.5.4 + |