CVE-2020-26270: Google Tensorflow

Low severity, CVSS 3.3. EPSS: 0.2% chance of exploitation in the next 30 days.

In affected versions of TensorFlow running an LSTM/GRU model where the LSTM/GRU layer receives an input with zero-length results in a CHECK failure when using the CUDA backend. This can result in a query-of-death vulnerability, via denial of service, if users can control the input to the layer. This is fixed in versions 1.15.5, 2.0.4, 2.1.3, 2.2.2, 2.3.2, and 2.4.0.

Affected products

• Google Tensorflow: before 1.15.5 (fixed in 1.15.5); from 2.0.0, before 2.0.4 (fixed in 2.0.4); from 2.1.0, before 2.1.3 (fixed in 2.1.3); from 2.2.0, before 2.2.2 (fixed in 2.2.2); from 2.3.0, before 2.3.2 (fixed in 2.3.2)

Published 2020-12-10. Last modified 2026-06-17.