--- singular-4.2.0/Singular/extra.cc.orig 2021-04-14 06:26:53.000000000 -0600
+++ singular-4.2.0/Singular/extra.cc 2021-05-25 19:54:51.313284051 -0600
@@ -2438,7 +2438,7 @@ static BOOLEAN jjEXTENDED_SYSTEM(leftv r
if(strcmp(sys_cmd,"changeRing")==0)
{
int varN = currRing->N;
- char h[10];
+ char h[12];
for (int i = 1; i <= varN; i++)
{
omFree(currRing->names[i - 1]);