PYSEC-2021-462

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a denial of service via a CHECK-fail in tf.rawops.SparseConcat. This is because the...

PYSEC-2021-459

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a CHECK fail in PNG encoding by providing an empty input tensor as the pixel data. This is because the...

PYSEC-2021-457

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a heap buffer overflow in tf.rawops.QuantizedResizeBilinear by manipulating input values so that float rounding results in off-by-one error in accessing image elements. This is because the...

PYSEC-2021-453

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a division by 0 in tf.rawops.Conv2DBackpropInput. This is because the...

PYSEC-2021-452

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a division by 0 in tf.rawops.Conv2DBackpropFilter. This is because the...

PYSEC-2021-451

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a denial of service via a CHECK-fail in tf.rawops.AddManySparseToTensorsMap. This is because the...

PYSEC-2021-450

TensorFlow is an end-to-end open source platform for machine learning. The tf.rawops.Conv3DBackprop operations fail to validate that the input tensors are not empty. In turn, this would result in a division by 0. This is because the...

PYSEC-2021-444

TensorFlow is an end-to-end open source platform for machine learning. Calling tf.rawops.RaggedTensorToVariant with arguments specifying an invalid ragged tensor results in a null pointer dereference. The implementation of RaggedTensorToVariant...

PYSEC-2021-442

TensorFlow is an end-to-end open source platform for machine learning. If the splits argument of RaggedBincount does not specify a valid SparseTensorhttps://www.tensorflow.org/apidocs/python/tf/sparse/SparseTensor, then an attacker can trigger a heap buffer overflow. This will cause a read from...

PYSEC-2021-441

TensorFlow is an end-to-end open source platform for machine learning. Calling TF operations with tensors of non-numeric types when the operations expect numeric tensors result in null pointer dereferences. The conversion from Python array to C++...

PYSEC-2021-256

TensorFlow is an end-to-end open source platform for machine learning. Passing invalid arguments e.g., discovered via fuzzing to tf.rawops.SparseCountSparseOutput results in segfault. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFlow...

PYSEC-2021-255

TensorFlow is an end-to-end open source platform for machine learning. Passing a complex argument to tf.transpose at the same time as passing conjugate=True argument results in a crash. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFl...

PYSEC-2021-254

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a denial of service via CHECK-fail in tf.strings.substr with invalid arguments. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFlow 2.3.3,...

PYSEC-2021-252

TensorFlow is an end-to-end open source platform for machine learning. The implementation of ParseAttrValuehttps://github.com/tensorflow/tensorflow/blob/c22d88d6ff33031aa113e48aa3fc9aa74ed79595/tensorflow/core/framework/attrvalueutil.ccL397-L453 can be tricked into stack overflow due to recursion...

PYSEC-2021-251

TensorFlow is an end-to-end open source platform for machine learning. The implementation of tf.io.decoderaw produces incorrect results and crashes the Python interpreter when combining fixedlength and wider datatypes. The implementation of the padded...

PYSEC-2021-250

TensorFlow is an end-to-end open source platform for machine learning. Incomplete validation in tf.rawops.CTCLoss allows an attacker to trigger an OOB read from heap. The fix will be included in TensorFlow 2.5.0. We will also cherrypick these commits on TensorFlow 2.4.2, TensorFlow 2.3.3,...

PYSEC-2021-244

TensorFlow is an end-to-end open source platform for machine learning. Incomplete validation in SparseAdd results in allowing attackers to exploit undefined behavior dereferencing null pointers as well as write outside of bounds of heap allocated data. The...

PYSEC-2021-242

TensorFlow is an end-to-end open source platform for machine learning. The TFLite code for allocating TFLiteIntArrays is vulnerable to an integer overflow issuehttps://github.com/tensorflow/tensorflow/blob/4ceffae632721e52bf3501b736e4fe9d1221cdfa/tensorflow/lite/c/common.cL24-L27. An attacker can...

PYSEC-2021-237

TensorFlow is an end-to-end open source platform for machine learning. The implementation of the OneHot TFLite operator is vulnerable to a division by zero errorhttps://github.com/tensorflow/tensorflow/blob/f61c57bd425878be108ec787f4d96390579fb83e/tensorflow/lite/kernels/onehot.ccL68-L72. An...

PYSEC-2021-236

TensorFlow is an end-to-end open source platform for machine learning. The implementation of the Split TFLite operator is vulnerable to a division by zero errorhttps://github.com/tensorflow/tensorflow/blob/e2752089ef7ce9bcf3db0ec618ebd23ea119d0c7/tensorflow/lite/kernels/split.ccL63-L65. An attack...

PYSEC-2021-228

TensorFlow is an end-to-end open source platform for machine learning. TFlite graphs must not have loops between nodes. However, this condition was not checked and an attacker could craft models that would result in infinite loop during evaluation. In certain cases, the infinite loop would be...

PYSEC-2021-227

TensorFlow is an end-to-end open source platform for machine learning. The implementations of the Minimum and Maximum TFLite operators can be used to read data outside of bounds of heap allocated objects, if any of the two input tensor arguments are empty. This is because the broadcasting...

PYSEC-2021-226

TensorFlow is an end-to-end open source platform for machine learning. The reference implementation of the GatherNd TFLite operator is vulnerable to a division by zero...

PYSEC-2021-225

TensorFlow is an end-to-end open source platform for machine learning. The optimized implementation of the TransposeConv TFLite operator is vulnerable to a division by zero error. An attacker can craft a model such that strideh,w values are 0. Code calling this function must validate these...

PYSEC-2021-223

TensorFlow is an end-to-end open source platform for machine learning. Optimized pooling implementations in TFLite fail to check that the stride arguments are not 0 before calling...

PYSEC-2021-209

TensorFlow is an end-to-end open source platform for machine learning. The implementation of tf.rawops.SdcaOptimizer triggers undefined behavior due to dereferencing a null pointer. The...

PYSEC-2021-207

TensorFlow is an end-to-end open source platform for machine learning. The implementation of tf.rawops.MaxPoolGradWithArgmax can cause reads outside of bounds of heap allocated data if attacker supplies specially crafted inputs. The...

PYSEC-2021-205

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger undefined behavior by binding to null pointer in tf.rawops.ParameterizedTruncatedNormal. This is because the...

PYSEC-2021-204

TensorFlow is an end-to-end open source platform for machine learning. Due to lack of validation in tf.rawops.SparseDenseCwiseMul, an attacker can trigger denial of service via CHECK-fails or accesses to outside the bounds of heap allocated data. Since the...

PYSEC-2021-203

TensorFlow is an end-to-end open source platform for machine learning. An attacker can write outside the bounds of heap allocated arrays by passing invalid arguments to tf.rawops.Dilation2DBackpropInput. This is because the...

PYSEC-2021-201

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a null pointer dereference in the implementation of tf.rawops.EditDistance. This is because the...

PYSEC-2021-199

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a denial of service by exploiting a CHECK-failure coming from the implementation of tf.rawops.IRFFT. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2,...

PYSEC-2021-198

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a denial of service by exploiting a CHECK-failure coming from tf.rawops.LoadAndRemapMatrix. This is because the...

PYSEC-2021-196

TensorFlow is an end-to-end open source platform for machine learning. An attacker can access data outside of bounds of heap allocated array in tf.rawops.UnicodeEncode. This is because the...

PYSEC-2021-195

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a heap buffer overflow in tf.rawops.SparseSplit. This is because the...

PYSEC-2021-194

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a denial of service via a FPE runtime error in tf.rawops.SparseMatMul. The division by 0 occurs deep in Eigen code because the b tensor is empty. The fix will be included in TensorFlow 2.5.0. We will also...

PYSEC-2021-190

TensorFlow is an end-to-end open source platform for machine learning. An attacker can read data outside of bounds of heap allocated buffer in tf.rawops.QuantizeAndDequantizeV3. This is because the...

PYSEC-2021-189

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a denial of service by controlling the values of numsegments tensor argument for UnsortedSegmentJoin. This is because the...

PYSEC-2021-187

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a runtime division by zero error and denial of service in tf.rawops.FractionalAvgPool. This is because the...

PYSEC-2021-186

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a runtime division by zero error and denial of service in tf.rawops.QuantizedBatchNormWithGlobalNormalization. This is because the...

PYSEC-2021-183

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger an integer division by zero undefined behavior in tf.rawops.QuantizedBiasAdd. This is because the implementation of the Eigen...

PYSEC-2021-177

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a heap buffer overflow to occur in Conv2DBackpropFilter. This is because the...

PYSEC-2021-173

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a heap buffer overflow in QuantizedReshape by passing in invalid thresholds for the quantization. This is because the...

PYSEC-2021-168

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a CHECK fail in PNG encoding by providing an empty input tensor as the pixel data. This is because the...

PYSEC-2021-162

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a division by 0 in tf.rawops.Conv2DBackpropInput. This is because the...

PYSEC-2021-160

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a denial of service via a CHECK-fail in tf.rawops.AddManySparseToTensorsMap. This is because the...

PYSEC-2021-159

TensorFlow is an end-to-end open source platform for machine learning. The tf.rawops.Conv3DBackprop operations fail to validate that the input tensors are not empty. In turn, this would result in a division by 0. This is because the...

PYSEC-2021-158

TensorFlow is an end-to-end open source platform for machine learning. Specifying a negative dense shape in tf.rawops.SparseCountSparseOutput results in a segmentation fault being thrown out from the standard library as std::vector invariants are broken. This is because the...

PYSEC-2021-156

TensorFlow is an end-to-end open source platform for machine learning. The API of tf.rawops.SparseCross allows combinations which would result in a CHECK-failure and denial of service. This is because the...

PYSEC-2021-153

TensorFlow is an end-to-end open source platform for machine learning. Calling tf.rawops.RaggedTensorToVariant with arguments specifying an invalid ragged tensor results in a null pointer dereference. The implementation of RaggedTensorToVariant...