The updated packages fix security vulnerabilities:
Safer Mode Bypass by .forceput Exposure in .pdfhookDSC_Creator. (CVE-2019-14811)
Safer Mode Bypass by .forceput Exposure in setuserparams. (CVE-2019-14812)
Safer Mode Bypass by .forceput Exposure in setsystemparams. (CVE-2019-14813)
Safer Mode Bypass by .forceput Exposure in .pdfexectoken and other procedures. (CVE-2019-14817)