mirror of https://git.ffmpeg.org/ffmpeg.git
lavc/qdrw: Fix overwrite when reading invalid Quickdraw images.
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@ -95,6 +95,8 @@ static int decode_rle(AVCodecContext *avctx, AVFrame *p, GetByteContext *gbc,
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pos -= offset;
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pos++;
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}
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if (pos >= offset)
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return AVERROR_INVALIDDATA;
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}
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left -= 2;
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} else { /* copy */
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@ -105,6 +107,8 @@ static int decode_rle(AVCodecContext *avctx, AVFrame *p, GetByteContext *gbc,
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pos -= offset;
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pos++;
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}
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if (pos >= offset)
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return AVERROR_INVALIDDATA;
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}
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left -= 2 + code;
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}
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