Fixes: out of array access Fixes: 62113/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5025082076168192
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/jpegxl_parser.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/jpegxl_parser.c b/libavcodec/jpegxl_parser.c index 20c8a41a89b..619a16448fa 100644 --- a/libavcodec/jpegxl_parser.c +++ b/libavcodec/jpegxl_parser.c @@ -1326,7 +1326,7 @@ static int skip_boxes(JXLParseContext *ctx, const uint8_t *buf, int buf_size) if (!size) return AVERROR_INVALIDDATA; /* invalid ISOBMFF size */ - if (size <= head_size + 4) + if (size <= head_size + 4 || size > INT_MAX - ctx->skip) return AVERROR_INVALIDDATA; ctx->skip += size; -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
