The rsapssparamsparse function in libstrongswan/credentials/keys/signatureparams.c in strongSwan 5.6.1 allows remote attackers to cause a denial of service via a crafted RSASSA-PSS signature that lacks a mask generation function parameter.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6459.json"