PostgreSQL Buffer Copy without Checking Size of Input (Classic Buffer Overflow) Vulnerability - CVE-2015-0241
The to_char function in PostgreSQL before 9.0.19 9.1.x before 9.1.15 9.2.x before 9.2.10 9.3.x before 9.3.6 and 9.4.x before 9.4.1 allows remote authenticated users to cause a denial of service (crash) or possibly execute arbitrary code via a (1) large number of digits when processing a numeric formatting template which triggers a buffer over-read or (2) crafted timestamp formatting template which triggers a buffer overflow.