Several vulnerabilities have been found in PostgreSQL-9.4, a SQL database system.
Josh Kupershmidt discovered a vulnerability in the crypt() function in the pgCrypto extension. Certain invalid salt arguments can cause the server to crash or to disclose a few bytes of server memory.
Oskari Saarenmaa discovered that json or jsonb input values constructed from arbitrary user input can crash the PostgreSQL server and cause a denial of service.
For the stable distribution (jessie), these problems have been fixed in version 9.4.5-0+deb8u1.
For the testing distribution (stretch), these problems have been fixed in version 9.4.5-1.
For the unstable distribution (sid), these problems have been fixed in version 9.4.5-1.
We recommend that you upgrade your postgresql-9.4 packages.