It was discovered that the Mozilla Network Security Service library
(nss) incorrectly handled certain ASN.1 lengths. A remote attacker could
possibly use this issue to perform a data-smuggling attack.
For the stable distribution (wheezy), this problem has been fixed in
version 2:3.14.5-1+deb7u4.
For the upcoming stable distribution (jessie), this problem has been
fixed in version 2:3.17.2-1.1.
For the unstable distribution (sid), this problem has been fixed in
version 2:3.17.2-1.1.
We recommend that you upgrade your nss packages.