Debian Security Advisory

DLA-3021-1 firefox-esr -- LTS security update

Date Reported:
24 May 2022
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2022-1529, CVE-2022-1802.
More information:

Manfred Paul discovered two security issues in the Mozilla Firefox web browser, which could result in the execution of arbitrary code.

For Debian 9 stretch, these problems have been fixed in version 91.9.1esr-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: