The packages which where updated are libpam-modules and libpam-runtime. There are no old versions of them in the repos anymore, so a simple downgrade is not possible, unless you have some old packages of them in your apt cache (/var/cache/apt/archives/)
The packages which where updated are libpam-modules and libpam-runtime. There are no old versions of them in the repos anymore, so a simple downgrade is not possible, unless you have some old packages of them in your apt cache (/var/cache/ apt/archives/ )