proftpd-dfsg - several

Several vulnerabilities were discovered in ProFTPD, an FTP server:

• (No CVE id)

ProFTPD incorrectly uses data from an unencrypted input buffer
after encryption has been enabled with STARTTLS, an issue
similar to

CVE-2011-0411.

• CVE-2011-4130
  ProFTPD uses a response pool after freeing it under
  exceptional conditions, possibly leading to remote code
  execution. (The version in lenny is not affected by this
  problem.)

For the oldstable distribution (lenny), this problem has been fixed in
version 1.3.1-17lenny9.

For the stable distribution (squeeze), this problem has been fixed in
version 1.3.3a-6squeeze4.

For the testing distribution (wheezy) and the unstable distribution
(sid), this problem has been fixed in version 1.3.4~rc3-2.

We recommend that you upgrade your proftpd-dfsg packages.