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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-07-18 21:12:54 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-07-21 15:29:24 +0200 |
| commit | 3faadbe2a27e74ff5bb5f7904ec27bb1f5287dc8 (patch) | |
| tree | 08b7f8c70d28969d155b185086d78fd5b87d0519 | |
| parent | 167bf8f61e671833c9d1234f12973e71c414b621 (diff) | |
| download | ffmpeg-3faadbe2a27e74ff5bb5f7904ec27bb1f5287dc8.tar.gz | |
avcodec/pnmdec: Use 64bit for input size check
Fixes: out of array read
Fixes: poc3
Reported-by: VulDB CNA Team
Found-by: CookedMelon
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/pnmdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/pnmdec.c b/libavcodec/pnmdec.c index a6945549bd..59013ada49 100644 --- a/libavcodec/pnmdec.c +++ b/libavcodec/pnmdec.c @@ -262,7 +262,7 @@ static int pnm_decode_frame(AVCodecContext *avctx, AVFrame *p, break; case AV_PIX_FMT_GBRPF32: if (!s->half) { - if (avctx->width * avctx->height * 12 > s->bytestream_end - s->bytestream) + if (avctx->width * avctx->height * 12LL > s->bytestream_end - s->bytestream) return AVERROR_INVALIDDATA; scale = 1.f / s->scale; if (s->endian) { |