The following updates has been released for Debian GNU/Linux:

Debian GNU/Linux 7 Extended LTS:
ELA-15-1 cups security update

Debian GNU/Linux 8 LTS:
DLA 1425-1: thunderbird security update
DLA 1426-1: cups security update

DLA 1425-1: thunderbird security update

Package : thunderbird
Version : 1:52.9.1-1~deb8u1
CVE ID : CVE-2018-5188 CVE-2018-12359 CVE-2018-12360 CVE-2018-12362
CVE-2018-12363 CVE-2018-12364 CVE-2018-12365 CVE-2018-12366
CVE-2018-12372 CVE-2018-12373 CVE-2018-12374

Multiple security issues have been found in Thunderbird, which may lead
to the execution of arbitrary code, denial of service or attacks on
encrypted emails.

For Debian 8 "Jessie", these problems have been fixed in version
1:52.9.1-1~deb8u1.

We recommend that you upgrade your thunderbird 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

DLA 1426-1: cups security update

Package : cups
Version : 1.7.5-11+deb8u4
CVE ID : CVE-2018-4180 CVE-2018-4181 CVE-2018-6553

Several vulnerabilities were discovered in CUPS, the Common UNIX Printing
System. These issues have been identified with the following CVE ids:

CVE-2018-4180

Dan Bastone of Gotham Digital Science discovered that a local
attacker with access to cupsctl could escalate privileges by setting
an environment variable.

CVE-2018-4181

Eric Rafaloff and John Dunlap of Gotham Digital Science discovered
that a local attacker can perform limited reads of arbitrary files
as root by manipulating cupsd.conf.

CVE-2018-6553

Dan Bastone of Gotham Digital Science discovered that an attacker
can bypass the AppArmor cupsd sandbox by invoking the dnssd backend
using an alternate name that has been hard linked to dnssd.

For Debian 8 "Jessie", these problems have been fixed in version
1.7.5-11+deb8u4.

We recommend that you upgrade your cups 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

ELA-15-1 cups security update

Package: cups
Version: 1.5.3-5+deb7u9
Related: CVE CVE-2018-4180 CVE-2018-4181 CVE-2018-6553
Several vulnerabilities were discovered in CUPS, the Common UNIX Printing System. These issues have been identified with the following CVE ids:

CVE-2018-4180

Dan Bastone of Gotham Digital Science discovered that a local
attacker with access to cupsctl could escalate privileges by setting
an environment variable.

CVE-2018-4181

Eric Rafaloff and John Dunlap of Gotham Digital Science discovered
that a local attacker can perform limited reads of arbitrary files
as root by manipulating cupsd.conf.

CVE-2018-6553

Dan Bastone of Gotham Digital Science discovered that an attacker
can bypass the AppArmor cupsd sandbox by invoking the dnssd backend
using an alternate name that has been hard linked to dnssd.
For Debian 7 Wheezy, these problems have been fixed in version 1.5.3-5+deb7u9.

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/