diff options
Diffstat (limited to 'poky/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2018-15822.patch')
| -rw-r--r-- | poky/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2018-15822.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/poky/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2018-15822.patch b/poky/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2018-15822.patch new file mode 100644 index 000000000..7d5868a72 --- /dev/null +++ b/poky/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2018-15822.patch @@ -0,0 +1,37 @@ +From 6b67d7f05918f7a1ee8fc6ff21355d7e8736aa10 Mon Sep 17 00:00:00 2001 +From: Michael Niedermayer <michael@niedermayer.cc> +Date: Sat, 28 Jul 2018 15:03:50 +0200 +Subject: [PATCH] avformat/flvenc: Check audio packet size + +Fixes: Assertion failure +Fixes: assert_flvenc.c:941_1.swf + +Upstream-Status: Backport [https://github.com/FFmpeg/FFmpeg/commit/6b67d7f05918f7a1ee8fc6ff21355d7e8736aa10] +CVE: CVE-2018-15822 + +Found-by: #CHEN HONGXU# <HCHEN017@e.ntu.edu.sg> +Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> +Signed-off-by: Mingli Yu <Mingli.Yu@windriver.com> +--- + libavformat/flvenc.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c +index 1c552a3e6b..e4863f1fc7 100644 +--- a/libavformat/flvenc.c ++++ b/libavformat/flvenc.c +@@ -883,6 +883,11 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) + int flags = -1, flags_size, ret; + int64_t cur_offset = avio_tell(pb); + ++ if (par->codec_type == AVMEDIA_TYPE_AUDIO && !pkt->size) { ++ av_log(s, AV_LOG_WARNING, "Empty audio Packet\n"); ++ return AVERROR(EINVAL); ++ } ++ + if (par->codec_id == AV_CODEC_ID_VP6F || par->codec_id == AV_CODEC_ID_VP6A || + par->codec_id == AV_CODEC_ID_VP6 || par->codec_id == AV_CODEC_ID_AAC) + flags_size = 2; +-- +2.17.1 + |
