A nss security update has been released for Debian GNU/Linux 8 LTS

Package : nss
Version : 2:3.26-1+debu8u7
CVE ID : CVE-2019-11745

A vulnerability has been discovered in nss, the Mozilla Network Security
Service library. An out-of-bounds write can occur when passing an
output buffer smaller than the block size to NSC_EncryptUpdate.

For Debian 8 "Jessie", this problem has been fixed in version
2:3.26-1+debu8u7.

We recommend that you upgrade your nss packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS