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Update src/ImageSharp/Metadata/Profiles/Exif/ExifReader.cs
Co-authored-by: Günther Foidl <gue@korporal.at>
pull/1760/head
Ildar Khayrutdinov
4 years ago
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GitHub
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1 changed files with
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src/ImageSharp/Metadata/Profiles/Exif/ExifReader.cs
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@ -459,7 +459,7 @@ namespace SixLabors.ImageSharp.Metadata.Profiles.Exif |
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if (size > 8) |
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{ |
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ulong newOffset = this.ConvertToUInt64(this.offsetBuffer8); |
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if (newOffset > ulong.MaxValue || (newOffset + size) > (ulong)this.data.Length) |
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if (newOffset > ulong.MaxValue || newOffset > (ulong)(this.data.Length - size)) |
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{ |
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this.AddInvalidTag(new UnkownExifTag(tag)); |
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return; |
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