Severity: High

Description: PROC MIXED stops processing and generates traceback information with a segmentation violation. This issue occurs when a RANDOM statement or a REPEATED statement is specified and either of the following conditions is met:

• There are no valid observations in the analysis data set.
• The TYPE=LIN(12) option is specified in the RANDOM or REPEATED statement.

Potential Impact: The resulting segmentation violation introduces a potential security risk.

Click the Hot Fix tab in this note to access the hot fix for this issue.

Hot fixes are provided for the SAS^® 9.4M7 (TS1M7) release and for SAS^® Viya^® 3.5.

Operating System and Release Information

Viya on Windows: An update for this issue is available for SAS Viya 3.5. For instructions on how to access and apply software updates, see the Updating Your SAS Viya software section in the SAS Viya 3.5 for Windows Deployment Guide at

Viya on Linux: An update for this issue is available for SAS Viya 3.5. For instructions on how to access and apply software updates, see the Updating Your SAS Viya software section in the SAS Viya 3.5 for Linux Deployment Guide at

A fix for this issue for SAS/STAT 15.2 is available at: