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| author | jmestwa-coder <jmestwa@gmail.com> | 2026-06-20 19:48:02 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2026-06-20 19:48:02 +0300 |
| commit | 7e384a7a204b1f80d8f938490be72bedd09de4b3 (patch) | |
| tree | 5cf11f8eebabe4780e6c9ab81539b6bb867b1e08 | |
| parent | 90ba6ce264e8ad0ae984e22c172e2267ab2eb4b7 (diff) | |
| download | zxing-7e384a7a204b1f80d8f938490be72bedd09de4b3.tar.xz | |
reject non-square bit matrix in qrcode BitMatrixParser (#2096)
| -rw-r--r-- | core/src/main/java/com/google/zxing/qrcode/decoder/BitMatrixParser.java | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/core/src/main/java/com/google/zxing/qrcode/decoder/BitMatrixParser.java b/core/src/main/java/com/google/zxing/qrcode/decoder/BitMatrixParser.java index 229869578..8a721ef68 100644 --- a/core/src/main/java/com/google/zxing/qrcode/decoder/BitMatrixParser.java +++ b/core/src/main/java/com/google/zxing/qrcode/decoder/BitMatrixParser.java @@ -31,11 +31,11 @@ final class BitMatrixParser { /** * @param bitMatrix {@link BitMatrix} to parse - * @throws FormatException if dimension is not >= 21 and 1 mod 4 + * @throws FormatException if dimension is not square, or not >= 21 and 1 mod 4 */ BitMatrixParser(BitMatrix bitMatrix) throws FormatException { int dimension = bitMatrix.getHeight(); - if (dimension < 21 || (dimension & 0x03) != 1) { + if (dimension < 21 || (dimension & 0x03) != 1 || bitMatrix.getWidth() != dimension) { throw FormatException.getFormatInstance(); } this.bitMatrix = bitMatrix; |