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_0_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/611e110aabdf4b5edfed178b34ba662b1549674a

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