patch attached
Created attachment 4540 [details] regexec.c: avoid overflow in realloc buffer length computation 2010-01-19 Paul Eggert <eggert@cs.ucla.edu> [BZ #11193] regexec.c: avoid overflow in realloc buffer length computation * posix/regexec.c (extend_buffers): Avoid overflow in realloc buffer length computation.
Slightly changed version checked in.