Insufficient Entropy The advisory has been revoked - it doesn't affect any version of package singularity (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-SINGULARITY-1621608
- published21 Mar 2026
- disclosed19 Jul 2021
Introduced: 19 Jul 2021
CVE-2021-33027 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream singularity package and not the singularity package as distributed by Ubuntu.
Sylabs Singularity Enterprise through 1.6.2 has Insufficient Entropy in a nonce.