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CVE-2019-16778

2.6 · LOW

In TensorFlow before 1.15, a heap buffer overflow in UnsortedSegmentSum can be produced when the Index template argument is int32.

Published Dec 16, 2019CWE-122EPSS 0.79%

Overview

CVE-2019-16778 is a low-severity vulnerability. It was published on December 16, 2019 and has a CVSS 3.1 base score of 2.6 (LOW).

This vulnerability has a CVSS 3.1 base score of 2.6, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

In TensorFlow before 1.15, a heap buffer overflow in UnsortedSegmentSum can be produced when the Index template argument is int32. In this case data_size and num_segments fields are truncated from int64 to int32 and can produce negative numbers, resulting in accessing out of bounds heap memory. This is unlikely to be exploitable and was detected and fixed internally in TensorFlow 1.15 and 2.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2019-002.mdGitHubgithub.com/tensorflow/tensorflow/commit/db4f9717c41bccc3ce10099ab61996b246099892GitHubgithub.com/tensorflow/tensorflow/security/advisories/GHSA-844w-j86r-4x2jGitHubgithub.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2019-002.mdGitHubgithub.com/tensorflow/tensorflow/commit/db4f9717c41bccc3ce10099ab61996b246099892GitHubgithub.com/tensorflow/tensorflow/security/advisories/GHSA-844w-j86r-4x2j

How CyberStrike helps

Frequently asked questions

What is CVE-2019-16778?

CVE-2019-16778 is a low-severity vulnerability. It was published on December 16, 2019 and has a CVSS 3.1 base score of 2.6 (LOW).

How severe is CVE-2019-16778?

This vulnerability has a CVSS 3.1 base score of 2.6, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-16778?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-16778?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-16778 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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