Debian Security Advisory

DLA-3632-1 firefox-esr -- LTS security update

Date Reported:
27 Oct 2023
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2023-5721, CVE-2023-5724, CVE-2023-5725, CVE-2023-5728, CVE-2023-5730, CVE-2023-5732.
More information:

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

For Debian 10 buster, these problems have been fixed in version 115.4.0esr-1~deb10u1.

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: