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-rw-r--r--libavcodec/jpeglsdec.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/jpeglsdec.c b/libavcodec/jpeglsdec.c
index 68151cb..c8550e4 100644
--- a/libavcodec/jpeglsdec.c
+++ b/libavcodec/jpeglsdec.c
@@ -375,6 +375,11 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near,
else
shift = point_transform + (16 - s->bits);
+ if (shift >= 16) {
+ ret = AVERROR_INVALIDDATA;
+ goto end;
+ }
+
if (s->avctx->debug & FF_DEBUG_PICT_INFO) {
av_log(s->avctx, AV_LOG_DEBUG,
"JPEG-LS params: %ix%i NEAR=%i MV=%i T(%i,%i,%i) "
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