CVE-2022-39237

Name: CVE-2022-39237
Creator: NVD / NIST
Published: 2022-10-06T18:16:10.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2022-39237 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. syslabs/sif is the Singularity Image Format (SIF) reference implementation. In versions prior to 2.8.1the `github.com/sylabs/sif/v2/pkg/integrity` package did not verify that the hash algorithm(s) used are cryptographically secure when verifying digital signatures. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

syslabs/sif is the Singularity Image Format (SIF) reference implementation. In versions prior to 2.8.1the `github.com/sylabs/sif/v2/pkg/integrity` package did not verify that the hash algorithm(s) used are cryptographically secure when verifying digital signatures. A patch is available in version >= v2.8.1 of the module. Users are encouraged to upgrade. Users unable to upgrade may independently validate that the hash algorithm(s) used for metadata digest(s) and signature hash are cryptographically secure.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.48%

37.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sylabs	Singularity Image Format	< 2.8.1

References

https://github.com/sylabs/sif/commit/07fb86029a12e3210f6131e065570124605daeaaPatch, Third Party Advisory
https://github.com/sylabs/sif/security/advisories/GHSA-m5m3-46gj-wch8Third Party Advisory
https://security.gentoo.org/glsa/202210-19Third Party Advisory
https://github.com/sylabs/sif/commit/07fb86029a12e3210f6131e065570124605daeaaPatch, Third Party Advisory
https://github.com/sylabs/sif/security/advisories/GHSA-m5m3-46gj-wch8Third Party Advisory
https://security.gentoo.org/glsa/202210-19Third Party Advisory

Timeline

Published: Oct 6, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-39237?

How severe is CVE-2022-39237?

CVE-2022-39237 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2022-39237?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-39237?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST