CVS (Concurrent Version System) is a version control system.
An insecure temporary file usage was found in the cvsbug program. It is possible that a local user could leverage this issue to execute arbitrary instructions as the user running cvsbug. The Common Vulnerabilities and Exposures project assigned the name CAN-2005-2693 to this issue.
All users of cvs should upgrade to this updated package, which includes a patch to correct this issue.