CVE-2021-33622: Sylabs Singularity

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Sylabs Singularity 3.5.x and 3.6.x, and SingularityPRO before 3.5-8, has an Incorrect Check of a Function's Return Value.

Affected products

• Sylabs Singularity: from 3.5.0, before 3.7.0 (fixed in 3.7.0)
• Sylabs Singularitypro: before 3.5-8 (fixed in 3.5-8)

Published 2021-06-15. Last modified 2026-06-17.