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Diffstat (limited to 'meta-multimedia/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-h264_sei-Fix-infinite-loop.patch')
-rw-r--r--meta-multimedia/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-h264_sei-Fix-infinite-loop.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-multimedia/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-h264_sei-Fix-infinite-loop.patch b/meta-multimedia/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-h264_sei-Fix-infinite-loop.patch
new file mode 100644
index 0000000000..1e62b50360
--- /dev/null
+++ b/meta-multimedia/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-h264_sei-Fix-infinite-loop.patch
@@ -0,0 +1,39 @@
+gst-ffmpeg: h264_sei: Fix infinite loop.
+
+Fixsot yet fixed parts of CVE-2011-3946.
+
+Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
+Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
+
+Upstream-Status: Backport
+
+Signed-off-by: Yue Tao <yue.tao@windriver.com>
+
+---
+ libavcodec/h264_sei.c | 4 ++++
+ 1 files changed, 4 insertions(+), 0 deletions(-)
+
+
+diff --git a/libavcodec/h264_sei.c b/libavcodec/h264_sei.c
+index 374e53d..80d70e5 100644
+--- a/gst-libs/ext/libav/libavcodec/h264_sei.c
++++ b/gst-libs/ext/libav/libavcodec/h264_sei.c
+@@ -169,11 +169,15 @@ int ff_h264_decode_sei(H264Context *h){
+
+ type=0;
+ do{
++ if (get_bits_left(&s->gb) < 8)
++ return -1;
+ type+= show_bits(&s->gb, 8);
+ }while(get_bits(&s->gb, 8) == 255);
+
+ size=0;
+ do{
++ if (get_bits_left(&s->gb) < 8)
++ return -1;
+ size+= show_bits(&s->gb, 8);
+ }while(get_bits(&s->gb, 8) == 255);
+
+--
+1.7.5.4
+