[USN-6320-1] Firefox vulnerabilities
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Ubuntu Security Notice USN-6320-1
August 30, 2023
firefox vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in Firefox.
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, obtain sensitive
information across domains, or execute arbitrary code. (CVE-2023-4573,
CVE-2023-4574, CVE-2023-4575, CVE-2023-4578, CVE-2023-4581, CVE-2023-4583,
CVE-2023-4584, CVE-2023-4585)
Lukas Bernhard discovered that Firefox did not properly manage memory when
the "UpdateRegExpStatics" attempted to access "initialStringHeap". An
attacker could potentially exploit this issue to cause a denial of service.
(CVE-2023-4577)
Malte Jürgens discovered that Firefox did not properly handle search
queries if the search query itself was a well formed URL. An attacker could
potentially exploit this issue to perform spoofing attacks. (CVE-2023-4579)
Harveer Singh discovered that Firefox did not properly handle push
notifications stored on disk in private browsing mode. An attacker could
potentially exploits this issue to access sensitive information.
(CVE-2023-4580)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS:
firefox 117.0+build2-0ubuntu0.20.04.1
After a standard system update you need to restart Firefox to make all the
necessary changes.
References:
https://ubuntu.com/security/notices/USN-6320-1
CVE-2023-4573, CVE-2023-4574, CVE-2023-4575, CVE-2023-4577,
CVE-2023-4578, CVE-2023-4579, CVE-2023-4580, CVE-2023-4581,
CVE-2023-4583, CVE-2023-4584, CVE-2023-4585
Package Information:
https://launchpad.net/ubuntu/+source/firefox/117.0+build2-0ubuntu0.20.04.1
A Firefox security update has been released for Ubuntu Linux 20.04 LTS.
