Several 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, denial of service or bypass of the same origin policy.

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Debian Security Advisory DSA-4035-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                       Moritz Muehlenhoff
November 15, 2017                     https://www.debian.org/security/faq
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Package        : firefox-esr
CVE ID         : CVE-2017-7826 CVE-2017-7828 CVE-2017-7830

Several 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, denial
of service or bypass of the same origin policy.

For the oldstable distribution (jessie), these problems have been fixed
in version 52.5.0esr-1~deb8u1.

For the stable distribution (stretch), these problems have been fixed in
version 52.5.0esr-1~deb9u1.

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: This email address is being protected from spambots. You need JavaScript enabled to view it.