Debian Security Advisory

DLA-2633-1 firefox-esr -- LTS security update

Date Reported:

23 Apr 2021

Affected Packages:

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2021-23961, CVE-2021-23994, CVE-2021-23995, CVE-2021-23998, CVE-2021-23999, CVE-2021-24002, CVE-2021-29945, CVE-2021-29946.

More information:

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, information disclosure, privilege escalation or spoofing.

For Debian 9 stretch, these problems have been fixed in version 78.10.0esr-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