diff options
Diffstat (limited to 'meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13')
-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 @@ | |||
1 | From 28bf685bfc6d0c744369cdf367f61a78d80d0b01 Mon Sep 17 00:00:00 2001 | ||
2 | From: Michael Niedermayer <michaelni@gmx.at> | ||
3 | Date: Thu, 15 Nov 2012 16:41:28 +0100 | ||
4 | Subject: [PATCH] pgssubdec: check RLE size before copying. Fix out of array | ||
5 | accesses | ||
6 | |||
7 | Upstream-Status: Backport | ||
8 | |||
9 | Commit 28bf685bfc6d0c744369cdf367f61a78d80d0b01 release/1.1 | ||
10 | |||
11 | Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind | ||
12 | Signed-off-by: Michael Niedermayer <michaelni@gmx.at> | ||
13 | (cherry picked from commit c0d68be555f5858703383040e04fcd6529777061) | ||
14 | --- | ||
15 | libavcodec/pgssubdec.c | 5 +++++ | ||
16 | 1 file changed, 5 insertions(+) | ||
17 | |||
18 | diff --git a/libavcodec/pgssubdec.c b/libavcodec/pgssubdec.c | ||
19 | index 728f178..26a3c2a 100644 | ||
20 | --- a/gst-libs/ext/libav/libavcodec/pgssubdec.c | ||
21 | +++ b/gst-libs/ext/libav/libavcodec/pgssubdec.c | ||
22 | @@ -202,6 +202,11 @@ static int parse_picture_segment(AVCodec | ||
23 | return -1; | ||
24 | } | ||
25 | |||
26 | + if (buf_size > rle_bitmap_len) { | ||
27 | + av_log(avctx, AV_LOG_ERROR, "too much RLE data\n"); | ||
28 | + return AVERROR_INVALIDDATA; | ||
29 | + } | ||
30 | + | ||
31 | ctx->picture.w = width; | ||
32 | ctx->picture.h = height; | ||
33 | |||
34 | -- | ||