Package : zlib Version : 1:1.2.8.dfsg-2+deb8u1 CVE ID : CVE-2016-9840 CVE-2016-9841 CVE-2016-9842 CVE-2016-9843
Several issues have been found in zlib, a compression library. They are basically about improper big-endian CRC calculation, improper left shift of negative integers and improper pointer arithmetic.
For Debian 8 "Jessie", these problems have been fixed in version 1:1.2.8.dfsg-2+deb8u1.
We recommend that you upgrade your zlib 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