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| author | Paul B Mahol <onemda@gmail.com> | 2019-09-25 17:36:52 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2019-09-25 17:40:50 +0200 |
| commit | d58752bcb923f48d372c0377c07990dd6379a1a9 (patch) | |
| tree | 4dcc5e88c32c5dabbabe7627ebc0c159138e80a3 /libavformat/aiffdec.c | |
| parent | 121bf1b3b8de8de82856e42b8ed5156d4d78b637 (diff) | |
| download | ffmpeg-d58752bcb923f48d372c0377c07990dd6379a1a9.tar.gz | |
avformat/aiffdec: fix signed integer overflow
Fixes #8151
Diffstat (limited to 'libavformat/aiffdec.c')
| -rw-r--r-- | libavformat/aiffdec.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c index 61ef099f26..a42987c15f 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -243,7 +243,10 @@ static int aiff_read_header(AVFormatContext *s) if (size < 0) return size; - filesize -= size + 8; + if (size >= 0x7fffffff - 8) + filesize = 0; + else + filesize -= size + 8; switch (tag) { case MKTAG('C', 'O', 'M', 'M'): /* Common chunk */ |