Debian Security Advisory

DLA-2933-1 firefox-esr -- LTS security update

Date Reported:
07 Mar 2022
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2022-26485, CVE-2022-26486.
More information:

Two security issues have been found in the Mozilla Firefox web browser, which result in the execution of arbitrary code.

For Debian 9 stretch, these problems have been fixed in version 91.6.1esr-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:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: