postgresql - programming error

Several encoding problems have been discovered in PostgreSQL, a
popular SQL database. The Common Vulnerabilities and Exposures
project identifies the following problems:

• CVE-2006-2313
  Akio Ishida and Yasuo Ohgaki discovered a weakness in the handling
  of invalidly-encoded multibyte text data which could allow an
  attacker to inject arbitrary SQL commands.
• CVE-2006-2314
  A similar problem exists in client-side encodings (such as SJIS,
  BIG5, GBK, GB18030, and UHC) which contain valid multibyte
  characters that end with the backslash character. An attacker
  could supply a specially crafted byte sequence that is able to
  inject arbitrary SQL commands.

This issue does not affect you if you only use single-byte (like
SQL_ASCII or the ISO-8859-X family) or unaffected multibyte (like
UTF-8) encodings.

psycopg and python-pgsql use the old encoding for binary data and
may have to be updated.

The old stable distribution (woody) is affected by these problems but
we’re unable to correct the package.

For the stable distribution (sarge) these problems have been fixed in
version 7.4.7-6sarge2.

For the unstable distribution (sid) these problems have been fixed in
version 7.4.13-1.

We recommend that you upgrade your postgresql packages.