Found-by-reviewing: CID1419833 Untrusted loop bound
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <[email protected]>
---
libavcodec/cbs_h2645.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c
index fe2e383ff33..1a45d424bae 100644
--- a/libavcodec/cbs_h2645.c
+++ b/libavcodec/cbs_h2645.c
@@ -709,7 +709,11 @@ static int cbs_h2645_split_fragment(CodedBitstreamContext
*ctx,
start = bytestream2_tell(&gbc);
for(i = 0; i < num_nalus; i++) {
+ if (bytestream2_get_bytes_left(&gbc) < 2)
+ return AVERROR_INVALIDDATA;
size = bytestream2_get_be16(&gbc);
+ if (bytestream2_get_bytes_left(&gbc) < size)
+ return AVERROR_INVALIDDATA;
bytestream2_skip(&gbc, size);
}
end = bytestream2_tell(&gbc);
--
2.25.1
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