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Debian LTS Advisory DLA-2457-1                [email protected]
https://www.debian.org/lts/security/               Emilio Pozuelo Monfort
November 19, 2020                             https://wiki.debian.org/LTS
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Package        : firefox-esr
Version        : 78.5.0esr-1~deb9u1
CVE ID         : CVE-2020-16012 CVE-2020-26951 CVE-2020-26953 CVE-2020-26956 
                 CVE-2020-26958 CVE-2020-26959 CVE-2020-26960 CVE-2020-26961 
                 CVE-2020-26965 CVE-2020-26968

Multiple security issues have been found in the Mozilla Firefox web
browser, which could potentially result in the execution of arbitrary
code, information disclosure, phishing, cross-site scripting or a DNS
rebinding attack.

For Debian 9 stretch, these problems have been fixed in version
78.5.0esr-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/firefox-esr

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