Fixes: CID1454676 Out-of-bounds read
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/flac_parser.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/flac_parser.c b/libavcodec/flac_parser.c
index 47904d515a6..d9c47801f83 100644
--- a/libavcodec/flac_parser.c
+++ b/libavcodec/flac_parser.c
@@ -518,6 +518,8 @@ static int check_header_mismatch(FLACParseContext *fpc,
for (i = 0; i < FLAC_MAX_SEQUENTIAL_HEADERS && curr != child; i++)
curr = curr->next;
+ av_assert0(i < FLAC_MAX_SEQUENTIAL_HEADERS);
+
if (header->link_penalty[i] < FLAC_HEADER_CRC_FAIL_PENALTY ||
header->link_penalty[i] == FLAC_HEADER_NOT_PENALIZED_YET) {
FLACHeaderMarker *start, *end;
--
2.43.2
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