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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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade apptainer | Aug 22, 2024 | Oct 6, 2022 |
| Debian | — | Upgrade golang-github-sylabs-sif | Jul 30, 2024 | Oct 6, 2022 |
| Gentoo Linux | — | Upgrade app-containers/apptainer. | Oct 31, 2022 | Oct 6, 2022 |
| Suse | — | Upgrade apptainer | Jan 16, 2023 | Oct 6, 2022 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Oct 6, 2022 |
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