The following ERRATA for SL 302/303 x86_64 are now available from:
ftp://ftp.scientificlinux.org/linux/scientific/{302,303}/x86_64/errata/SL/RPMS/

[RHSA-2004:585-01] Updated xchat package fixes SOCKSv5 proxy security issue

  xchat-2.0.4-4.EL.x86_64.rpm

[RHSA-2004:592-01] Updated xpdf package fixes security flaws

  xpdf-2.02-9.3.x86_64.rpm

-Connie Sieh