Heap-based buffer overflow in TensorFlow - CVE-2021-29545
Published: May 13, 2021 / Updated: May 4, 2026
Vulnerability identifier: #VU129347
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-29545
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: TensorFlow
Affected software:
TensorFlow
TensorFlow
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a heap-based buffer overflow in SparseTensorToCSRSparseMatrix when converting sparse tensors to CSR sparse matrices. A local user can supply crafted sparse tensor indices to cause a denial of service.
How to mitigate CVE-2021-29545
Install security update from vendor's website.