CVE-2023-25676: TensorFlow has null dereference on ParallelConcat with XLA

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-25 · updated 2026-06-17
Weakness: CWE-476

Description

TensorFlow is an open source machine learning platform. When running versions prior to 2.12.0 and 2.11.1 with XLA, `tf.raw_ops.ParallelConcat` segfaults with a nullptr dereference when given a parameter `shape` with rank that is not greater than zero. A fix is available in TensorFlow 2.12.0 and 2.11.1.

Affected products

tensorflow: before 2.12.0 — fixed in 2.12.0

How to fix

Upgrade to a fixed version: tensorflow 2.12.0. Check the vendor advisory for mitigations.

References

https://github.com/tensorflow/tensorflow/commit/da66bc6d5ff466aee084f9e7397980a24890cd15
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-6wfh-89q8-44jq
https://github.com/tensorflow/tensorflow/commit/da66bc6d5ff466aee084f9e7397980a24890cd15
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-6wfh-89q8-44jq

Get alerted when CVE-2023-25676 or the next vulnerability affects your stack