They are spec-incompliant.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>
---
libavcodec/cbs_mpeg2.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavcodec/cbs_mpeg2.c b/libavcodec/cbs_mpeg2.c
index e42c602476..b57551c92a 100644
--- a/libavcodec/cbs_mpeg2.c
+++ b/libavcodec/cbs_mpeg2.c
@@ -245,6 +245,9 @@ static int cbs_mpeg2_read_unit(CodedBitstreamContext *ctx,
if (err < 0)
return err;
+ if (!get_bits_left(&gbc))
+ return AVERROR_INVALIDDATA;
+
pos = get_bits_count(&gbc);
len = unit->data_size;
--
2.20.1
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