Thread: pgsql: to_char(): prevent accesses beyond the allocated buffer

to_char():  prevent accesses beyond the allocated buffer

Previously very long field masks for floats could access memory
beyond the existing buffer allocated to hold the result.

Reported by Andres Freund and Peter Geoghegan.    Backpatch to all
supported versions.

Security: CVE-2015-0241

Branch
------
REL9_2_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/5ae3bf1af34082f3b53955053ce11a6f20b1b751

Modified Files
--------------
src/backend/utils/adt/formatting.c |    4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)