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
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/0150ab567bcf5e5913e2b62a1678f84cc272441f

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