CVE-2022-39237

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.