The following updates has been released for Debian:

[DLA 850-1] vim security update
[DSA 3805-1] firefox-esr security update
[DSA 3806-1] pidgin security update

[DLA 850-1] vim security update

Package : vim
Version : 2:7.3.547-7+deb7u3
CVE ID : CVE-2017-6349 CVE-2017-6350
Debian Bug : #856266


Brief introduction

CVE-2017-6349

An integer overflow at a u_read_undo memory allocation site would occur
for vim before patch 8.0.0377, if it does not properly validate values
for tree length when reading a corrupted undo file, which may lead to
resultant buffer overflows.

CVE-2017-6350

An integer overflow at an unserialize_uep memory allocation site would
occur for vim before patch 8.0.0378, if it does not properly validate
values for tree length when reading a corrupted undo file, which may
lead to resultant buffer overflows.

For Debian 7 "Wheezy", these problems have been fixed in version
2:7.3.547-7+deb7u3.

We recommend that you upgrade your vim 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

[DSA 3805-1] firefox-esr security update

- -------------------------------------------------------------------------
Debian Security Advisory DSA-3805-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
March 08, 2017 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : firefox-esr
CVE ID : CVE-2017-5398 CVE-2017-5400 CVE-2017-5401 CVE-2017-5402
CVE-2017-5404 CVE-2017-5405 CVE-2017-5407 CVE-2017-5408
CVE-2017-5410

Multiple security issues have been found in the Mozilla Firefox web
browser: Multiple memory safety errors, use-after-frees and other
implementation errors may lead to the execution of arbitrary code, ASLR
bypass, information disclosure or denial of service.

For the stable distribution (jessie), these problems have been fixed in
version 45.8.0esr-1~deb8u1.

For the unstable distribution (sid), these problems have been fixed in
version 45.8.0esr-1 of firefox-esr and version 52.0-1 of firefox.

We recommend that you upgrade your firefox-esr 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 3806-1] pidgin security update

- -------------------------------------------------------------------------
Debian Security Advisory DSA-3806-1 security@debian.org
https://www.debian.org/security/ Luciano Bello
March 10, 2017 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : pidgin
CVE ID : CVE-2017-2640

It was discovered a vulnerability in Pidgin, a multi-protocol instant
messaging client. A server controlled by an attacker can send an invalid
XML that can trigger an out-of-bound memory access. This might lead to a
crash or, in some extreme cases, to remote code execution in the
client-side.

For the stable distribution (jessie), this problem has been fixed in
version 2.11.0-0+deb8u2.

For the unstable distribution (sid), this problem has been fixed in
version 2.12.0-1.

We recommend that you upgrade your pidgin 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/