From: Michael Niedermayer <[email protected]>
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <[email protected]>
Addresses: CVE-2013-0852
Conflicts:
libavcodec/pgssubdec.c
---
libavcodec/pgssubdec.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavcodec/pgssubdec.c b/libavcodec/pgssubdec.c
index 1cafd9f..d5185ee 100644
--- a/libavcodec/pgssubdec.c
+++ b/libavcodec/pgssubdec.c
@@ -285,6 +285,11 @@ static int parse_object_segment(AVCodecContext *avctx,
return AVERROR_INVALIDDATA;
}
+ if (buf_size > rle_bitmap_len) {
+ av_log(avctx, AV_LOG_ERROR, "too much RLE data\n");
+ return AVERROR_INVALIDDATA;
+ }
+
object->w = width;
object->h = height;
--
1.9.1
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