[USN-5370-1] Firefox vulnerabilities

========================================================================== Ubuntu Security Notice USN-5370-1 April 07, 2022
firefox vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 21.10 – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS
Firefox could be made to crash or run programs as your login if it opened a malicious website.
Software Description: – firefox: Mozilla Open Source web browser
Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, execute script unexpectedly, obtain sensitive information, conduct spoofing attacks, or execute arbitrary code. (CVE-2022-1097, CVE-2022-24713, CVE-2022-28281, CVE-2022-28282, CVE-2022-28284, CVE-2022-28285, CVE-2022-28286, CVE-2022-28288, CVE-2022-28289)
A security issue was discovered with the sourceMapURL feature of devtools. An attacker could potentially exploit this to include local files that should have been inaccessible. (CVE-2022-28283)
It was discovered that selecting text caused Firefox to crash in some circumstances. An attacker could potentially exploit this to cause a denial of service. (CVE-2022-28287)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.10: firefox 99.0+build2-0ubuntu0.21.10.2
Ubuntu 20.04 LTS: firefox 99.0+build2-0ubuntu0.20.04.2
Ubuntu 18.04 LTS: firefox 99.0+build2-0ubuntu0.18.04.2
After a standard system update you need to restart Firefox to make all the necessary changes.
References: ubuntu.com/security/notices/USN-5370-1 CVE-2022-1097, CVE-2022-24713, CVE-2022-28281, CVE-2022-28282, CVE-2022-28283, CVE-2022-28284, CVE-2022-28285, CVE-2022-28286, CVE-2022-28287, CVE-2022-28288, CVE-2022-28289
Package Information: launchpad.net/ubuntu/+source/firefox/99.0+build2-0ubuntu0.21.10.2 launchpad.net/ubuntu/+source/firefox/99.0+build2-0ubuntu0.20.04.2 launchpad.net/ubuntu/+source/firefox/99.0+build2-0ubuntu0.18.04.2