I got an email announcement about SL 4.2 i386 errata for
Synopsis: Moderate: libc-client security update
Advisory ID: RHSA-2005:848-01
CVE Names: CVE-2005-2933
libc-client-2002e-14.i386.rpm
libc-client-devel-2002e-14.i386.rpm
Synopsis: Important: xpdf security update
Advisory ID: RHSA-2005:840-01
CVE Names: CAN-2005-3193
xpdf-3.00-11.9.i386.rpm
however they do not show up in my SL 4.2 box.