NULL pointer dereference in TensorFlow - CVE-2021-37639
Published: August 12, 2021 / Updated: May 4, 2026
Vulnerability identifier: #VU129268
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-37639
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
TensorFlow
TensorFlow
Software vendor:
TensorFlow
TensorFlow
Description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to null pointer dereference in tf.raw_ops.Restore and tf.raw_ops.RestoreSlice when restoring tensors via raw APIs with an empty tensor_name input. A remote attacker can provide a crafted empty tensor_name value to cause a denial of service.
Remediation
Install security update from vendor's website.