CVE-2021-37640

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Source
https://cve.org/CVERecord?id=CVE-2021-37640
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-37640.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-37640
Aliases
Downstream
Related
Published
2021-08-12T18:15:10.490Z
Modified
2026-04-11T16:26:09.538276Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

TensorFlow is an end-to-end open source platform for machine learning. In affected versions the implementation of tf.raw_ops.SparseReshape can be made to trigger an integral division by 0 exception. The implementation calls the reshaping functor whenever there is at least an index in the input but does not check that shape of the input or the target shape have both a non-zero number of elements. The reshape functor blindly divides by the dimensions of the target shape. Hence, if this is not checked, code will result in a division by 0. We have patched the issue in GitHub commit 4923de56ec94fff7770df259ab7f2288a74feb41. The fix will be included in TensorFlow 2.6.0. We will also cherrypick this commit on TensorFlow 2.5.1 as this is the other affected version.

References

Affected packages

Git / github.com/tensorflow/tensorflow

Affected ranges

Type
GIT
Repo
https://github.com/tensorflow/tensorflow
Events
Introduced
b36436b087bd8e8701ef51718179037cccdfc26e
Fixed
7462dcaae1e8cfe1dfd0c62dd6083f9749a9d827
Introduced
582c8d236cb079023657287c318ff26adb239002
Fixed
4c0b84bf2a714bcdd18da1f1f94d533d72399d52
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
a4dfb8d1a71385bd6d122e4f27f86dcebb96712d
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
a5317d67e6ce6e93de18011bfdcdd4ff7aa894cf
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
79f2d3a179ac6ea6b4c3d07b6849afad4e8730cd
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
5368d50428b30b7c9ccd038aec65d09252d16596
Fixed
4923de56ec94fff7770df259ab7f2288a74feb41
Database specific 
{
    "versions": [
        {
            "introduced": "2.3.0"
        },
        {
            "fixed": "2.3.4"
        },
        {
            "introduced": "2.4.0"
        },
        {
            "fixed": "2.4.3"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.5.0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.6.0-rc0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.6.0-rc1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.6.0-rc2"
        }
    ]
}

Affected versions

0.*
0.5.0
0.6.0
v1.*
v1.1.0-rc1
v1.1.0-rc2
v1.12.1
v1.6.0-rc1
v1.9.0-rc2
v2.*
v2.3.0
v2.3.1
v2.3.2
v2.3.3
v2.4.0
v2.4.1
v2.4.2
v2.5.0
v2.5.0-rc0
v2.5.0-rc1
v2.5.0-rc2
v2.5.0-rc3
v2.6.0-rc0
v2.6.0-rc1
v2.6.0-rc2

Database specific

vanir_signatures 
[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "13715169316298277565868878877422379064",
                "87028526474003690116286118650178862417",
                "266780567341271000471695769975532248448",
                "291284188149720031622689698699532720678"
            ]
        },
        "id": "CVE-2021-37640-463105c2",
        "signature_type": "Line",
        "source": "https://github.com/tensorflow/tensorflow/commit/4923de56ec94fff7770df259ab7f2288a74feb41",
        "deprecated": false,
        "target": {
            "file": "tensorflow/core/kernels/reshape_util.cc"
        },
        "signature_version": "v1"
    },
    {
        "digest": {
            "function_hash": "216366359538036374288895408551788198173",
            "length": 3127.0
        },
        "id": "CVE-2021-37640-5e95d58c",
        "signature_type": "Function",
        "source": "https://github.com/tensorflow/tensorflow/commit/4923de56ec94fff7770df259ab7f2288a74feb41",
        "deprecated": false,
        "target": {
            "function": "ReshapeSparseTensor",
            "file": "tensorflow/core/kernels/reshape_util.cc"
        },
        "signature_version": "v1"
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-37640.json"
vanir_signatures_modified 
"2026-04-11T16:26:09Z"