diff options
Diffstat (limited to 'meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-pgssubdec-check-RLE-size-before-copying.-Fix-out-of-.patch')
-rw-r--r-- | meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-pgssubdec-check-RLE-size-before-copying.-Fix-out-of-.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-pgssubdec-check-RLE-size-before-copying.-Fix-out-of-.patch b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-pgssubdec-check-RLE-size-before-copying.-Fix-out-of-.patch new file mode 100644 index 0000000000..1041347c87 --- /dev/null +++ b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-pgssubdec-check-RLE-size-before-copying.-Fix-out-of-.patch @@ -0,0 +1,34 @@ +From 28bf685bfc6d0c744369cdf367f61a78d80d0b01 Mon Sep 17 00:00:00 2001 +From: Michael Niedermayer <michaelni@gmx.at> +Date: Thu, 15 Nov 2012 16:41:28 +0100 +Subject: [PATCH] pgssubdec: check RLE size before copying. Fix out of array + accesses + +Upstream-Status: Backport + +Commit 28bf685bfc6d0c744369cdf367f61a78d80d0b01 release/1.1 + +Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind +Signed-off-by: Michael Niedermayer <michaelni@gmx.at> +(cherry picked from commit c0d68be555f5858703383040e04fcd6529777061) +--- + libavcodec/pgssubdec.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/libavcodec/pgssubdec.c b/libavcodec/pgssubdec.c +index 728f178..26a3c2a 100644 +--- a/gst-libs/ext/libav/libavcodec/pgssubdec.c ++++ b/gst-libs/ext/libav/libavcodec/pgssubdec.c +@@ -202,6 +202,11 @@ static int parse_picture_segment(AVCodec + return -1; + } + ++ if (buf_size > rle_bitmap_len) { ++ av_log(avctx, AV_LOG_ERROR, "too much RLE data\n"); ++ return AVERROR_INVALIDDATA; ++ } ++ + ctx->picture.w = width; + ctx->picture.h = height; + +-- |