There are currently no open bugs.

"libsm" versions published in Ubuntu

Eoan (2:1.2.3-1): main/x11
Disco (2:1.2.3-1): main/x11
Cosmic (2:1.2.2-1): main/x11
Bionic (2:1.2.2-1): main/x11
Xenial (2:1.2.2-1): main/x11
Trusty (2:1.2.1-2): main/x11
Precise (2:1.2.0-2build1): main/x11