diff options
Diffstat (limited to 'meta')
| -rw-r--r-- | meta/recipes-multimedia/ffmpeg/ffmpeg/fix-CVE-2020-20453.patch | 42 | ||||
| -rw-r--r-- | meta/recipes-multimedia/ffmpeg/ffmpeg_4.4.bb | 1 |
2 files changed, 43 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/fix-CVE-2020-20453.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/fix-CVE-2020-20453.patch new file mode 100644 index 0000000000..b1c94057a3 --- /dev/null +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/fix-CVE-2020-20453.patch @@ -0,0 +1,42 @@ +From a7a7f32c8ad0179a1a85d0a8cff35924e6d90be8 Mon Sep 17 00:00:00 2001 +From: Michael Niedermayer <michael@niedermayer.cc> +Date: Fri, 28 May 2021 21:37:26 +0200 +Subject: [PATCH] avcodec/aacenc: Avoid 0 lambda + +Fixes: Ticket8003 +Fixes: CVE-2020-20453 + +Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> + +CVE: CVE-2020-20453 +Upstream-Status: Backport [a7a7f32c8ad0179a1a85d0a8cff35924e6d90be8] + +Signed-off-by: Tony Tascioglu <tony.tascioglu@windriver.com> +--- + libavcodec/aacenc.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c +index aa223cf25f..e80591ba86 100644 +--- a/libavcodec/aacenc.c ++++ b/libavcodec/aacenc.c +@@ -28,6 +28,7 @@ + * TODOs: + * add sane pulse detection + ***********************************/ ++#include <float.h> + + #include "libavutil/libm.h" + #include "libavutil/float_dsp.h" +@@ -852,7 +853,7 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, + /* Not so fast though */ + ratio = sqrtf(ratio); + } +- s->lambda = FFMIN(s->lambda * ratio, 65536.f); ++ s->lambda = av_clipf(s->lambda * ratio, FLT_MIN, 65536.f); + + /* Keep iterating if we must reduce and lambda is in the sky */ + if (ratio > 0.9f && ratio < 1.1f) { +-- +2.32.0 + diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg_4.4.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_4.4.bb index 00640f3cb3..198a44efec 100644 --- a/meta/recipes-multimedia/ffmpeg/ffmpeg_4.4.bb +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_4.4.bb @@ -26,6 +26,7 @@ LIC_FILES_CHKSUM = "file://COPYING.GPLv2;md5=b234ee4d69f5fce4486a80fdaf4a4263 \ SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \ file://0001-libavutil-include-assembly-with-full-path-from-sourc.patch \ file://fix-CVE-2020-20446.patch \ + file://fix-CVE-2020-20453.patch \ " SRC_URI[sha256sum] = "06b10a183ce5371f915c6bb15b7b1fffbe046e8275099c96affc29e17645d909" |