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Debian Security Advisory DSA-3716-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
November 16, 2016                     https://www.debian.org/security/faq
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Package        : firefox-esr
CVE ID         : CVE-2016-5290 CVE-2016-5291 CVE-2016-5296 CVE-2016-5297 
                 CVE-2016-9064 CVE-2016-9066 CVE-2016-9074

Multiple security issues have been found in the Mozilla Firefox web
browser: Multiple memory safety errors, buffer overflows and other
implementation errors may lead to the execution of arbitrary code or
bypass of the same-origin policy. Also, a man-in-the-middle attack in
the addon update mechanism has been fixed.

For the stable distribution (jessie), these problems have been fixed in
version 45.5.0esr-1~deb8u1.

For the unstable distribution (sid), these problems have been fixed in
version 45.5.0esr-1 and version 50.0-1 of the firefox source package.

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/

Mailing list: debian-security-announce@lists.debian.org