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https://github.com/thead-yocto-mirror/meta-openembedded
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fa01c2614a
* gst-plugins-gl: fix the path to a required include * so that it's clear that the recipes it contains are specific to the obsolete, unmaintained version of gstreamer. Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
40 lines
1003 B
Diff
40 lines
1003 B
Diff
gst-ffmpeg: h264_sei: Fix infinite loop.
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Fixsot yet fixed parts of CVE-2011-3946.
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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Upstream-Status: Backport
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Signed-off-by: Yue Tao <yue.tao@windriver.com>
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---
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libavcodec/h264_sei.c | 4 ++++
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1 files changed, 4 insertions(+), 0 deletions(-)
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diff --git a/libavcodec/h264_sei.c b/libavcodec/h264_sei.c
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index 374e53d..80d70e5 100644
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--- a/gst-libs/ext/libav/libavcodec/h264_sei.c
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+++ b/gst-libs/ext/libav/libavcodec/h264_sei.c
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@@ -169,11 +169,15 @@ int ff_h264_decode_sei(H264Context *h){
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type=0;
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do{
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+ if (get_bits_left(&s->gb) < 8)
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+ return -1;
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type+= show_bits(&s->gb, 8);
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}while(get_bits(&s->gb, 8) == 255);
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size=0;
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do{
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+ if (get_bits_left(&s->gb) < 8)
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+ return -1;
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size+= show_bits(&s->gb, 8);
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}while(get_bits(&s->gb, 8) == 255);
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--
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1.7.5.4
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