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

[DSA 3840-1] mysql-connector-java
[DSA 3841-1] libxstream-java
[DSA 3842-1] tomcat7 security update
[DSA 3843-1] tomcat8 security update

[DSA 3840-1] mysql-connector-java

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Debian Security Advisory DSA-3840-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
May 02, 2017 https://www.debian.org/security/faq
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Package : mysql-connector-java
CVE ID : CVE-2017-3523

Thijs Alkemade discovered that unexpected automatic deserialisation of
Java objects in the MySQL Connector/J JDBC driver may result in the
execution of arbitary code. For additional details, please refer to the
advisory at
https://www.computest.nl/advisories/CT-2017-0425_MySQL-Connector-J.txt

For the stable distribution (jessie), this problem has been fixed in
version 5.1.41-1~deb8u1.

For the upcoming stable distribution (stretch), this problem has been
fixed in version 5.1.41-1.

For the unstable distribution (sid), this problem has been fixed in
version 5.1.41-1.

We recommend that you upgrade your mysql-connector-java packages.

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

[DSA 3841-1] libxstream-java

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Debian Security Advisory DSA-3841-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
May 02, 2017 https://www.debian.org/security/faq
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Package : libxstream-java
CVE ID : CVE-2017-7957

It was discovered that XStream, a Java library to serialise objects to
XML and back again, was suspectible to denial of service during
unmarshalling.

For the stable distribution (jessie), this problem has been fixed in
version 1.4.7-2+deb8u2.

For the upcoming stable distribution (stretch), this problem will be
fixed soon.

For the unstable distribution (sid), this problem has been fixed in
version 1.4.9-2.

We recommend that you upgrade your libxstream-java packages.

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

[DSA 3842-1] tomcat7 security update

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Debian Security Advisory DSA-3842-1 security@debian.org
https://www.debian.org/security/ Sebastien Delafond
May 03, 2017 https://www.debian.org/security/faq
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Package : tomcat7
CVE ID : CVE-2017-5647 CVE-2017-5648

Two vulnerabilities were discovered in tomcat7, a servlet and JSP
engine.

CVE-2017-5647

Pipelined requests were processed incorrectly, which could result in
some responses appearing to be sent for the wrong request.

CVE-2017-5648

Some application listeners calls were issued against the wrong
objects, allowing untrusted applications running under a
SecurityManager to bypass that protection mechanism and access or
modify information associated with other web applications.

For the stable distribution (jessie), these problems have been fixed in
version 7.0.56-3+deb8u10.

For the upcoming stable (stretch) and unstable (sid) distributions,
these problems have been fixed in version 7.0.72-3.

We recommend that you upgrade your tomcat7 packages.

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

[DSA 3843-1] tomcat8 security update

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Debian Security Advisory DSA-3843-1 security@debian.org
https://www.debian.org/security/ Sebastien Delafond
May 03, 2017 https://www.debian.org/security/faq
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Package : tomcat8
CVE ID : CVE-2017-5647 CVE-2017-5648
Debian Bug : 860068 860069

Two vulnerabilities were discovered in tomcat8, a servlet and JSP
engine.

CVE-2017-5647

Pipelined requests were processed incorrectly, which could result in
some responses appearing to be sent for the wrong request.

CVE-2017-5648

Some application listeners calls were issued against the wrong
objects, allowing untrusted applications running under a
SecurityManager to bypass that protection mechanism and access or
modify information associated with other web applications.

For the stable distribution (jessie), these problems have been fixed in
version 8.0.14-1+deb8u9.

For the upcoming stable (stretch) and unstable (sid) distributions,
these problems have been fixed in version 8.5.11-2.

We recommend that you upgrade your tomcat8 packages.

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