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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --euN56wkwRDJ4wgYatND3Bd5vdkLqlB6cS Content-Type: multipart/mixed; boundary="qsgXBT20mM1VXNRdmjVonvsXon6FLSQBd"; protected-headers="v1" From: Chris Coulson <chris.coulson@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: ubuntu-security-announce@lists.ubuntu.com Message-ID: <879617fd-f490-972d-8a7d-9158fe8fc991@canonical.com> Subject: [USN-5229-1] Firefox vulnerabilities
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========================================================================== Ubuntu Security Notice USN-5229-1 January 13, 2022
firefox vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.10 - Ubuntu 21.04 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS
Summary:
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
Details:
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, spoof the browser UI, bypass security restrictions, obtain sensitive information across domains, or execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.10: firefox 96.0+build2-0ubuntu0.21.10.1
Ubuntu 21.04: firefox 96.0+build2-0ubuntu0.21.04.1
Ubuntu 20.04 LTS: firefox 96.0+build2-0ubuntu0.20.04.1
Ubuntu 18.04 LTS: firefox 96.0+build2-0ubuntu0.18.04.1
After a standard system update you need to restart Firefox to make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-5229-1 CVE-2021-4140, CVE-2022-22737, CVE-2022-22738, CVE-2022-22739, CVE-2022-22740, CVE-2022-22741, CVE-2022-22742, CVE-2022-22743, CVE-2022-22745, CVE-2022-22747, CVE-2022-22748, CVE-2022-22751, CVE-2022-22752
Package Information: https://launchpad.net/ubuntu/+source/firefox/96.0+build2-0ubuntu0.21.10.1 https://launchpad.net/ubuntu/+source/firefox/96.0+build2-0ubuntu0.21.04.1 https://launchpad.net/ubuntu/+source/firefox/96.0+build2-0ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/firefox/96.0+build2-0ubuntu0.18.04.1
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