CVE-2021-39158: Dependency injection in NVCaffe

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-08-23 · updated 2026-06-17
Weakness: CWE-345

Description

NVCaffe's python required dependencies list used to contain `gfortran`version prior to 0.17.4, entry which does not exist in the repository pypi.org. An attacker could potentially have posted malicious files to pypi.org causing a user to install it within NVCaffe.

Affected products

NVIDIA caffe: before 0.17.4 — fixed in 0.17.4

How to fix

Upgrade to a fixed version: NVIDIA caffe 0.17.4. Check the vendor advisory for mitigations.

References

https://github.com/NVIDIA/caffe/security/advisories/GHSA-fmpp-8pwg-vwh9
https://github.com/NVIDIA/caffe/security/advisories/GHSA-fmpp-8pwg-vwh9

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