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Debian Security Advisory DSA-4235-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
June 27, 2018                         https://www.debian.org/security/faq
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Package        : firefox-esr
CVE ID         : CVE-2018-5156 CVE-2018-12359 CVE-2018-12360 CVE-2018-12362 
                 CVE-2018-12363 CVE-2018-12364 CVE-2018-12365 CVE-2018-12366

Several security issues have been found in the Mozilla Firefox web
browser: Multiple memory safety errors and other implementation errors may
lead to the execution of arbitrary code, denial of service, cross-site
request forgery or information disclosure.

For the stable distribution (stretch), these problems have been fixed in
version 52.9.0esr-1~deb9u1.

We recommend that you upgrade your firefox-esr packages.

For the detailed security status of firefox-esr please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/firefox-esr

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