An issue was found in cups, the Common UNIX Printing System™. Linux session cookies used a predictable random number seed.
This CVE is sometimes referenced as CVE-2018-4700. Please only use CVE-2018-4300 for it.
For Debian 7 Wheezy, these problems have been fixed in version 1.5.3-5+deb7u11.
We recommend that you upgrade your cups packages.
Further information about Extended LTS security advisories can be found at: https://deb.freexian.com/extended-lts/