USN-6074-2: Firefox regressions
16 May 2023
USN-6074-1 caused some minor regressions in Firefox.
Releases
Packages
- firefox - Mozilla Open Source web browser
Details
USN-6074-1 fixed vulnerabilities in Firefox. The update introduced
several minor regressions. This update fixes the problem.
We apologize for the inconvenience.
Original advisory 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-2023-32205,
CVE-2023-32207, CVE-2023-32210, CVE-2023-32211, CVE-2023-32212,
CVE-2023-32213, CVE-2023-32215, CVE-2023-32216)
Irvan Kurniawan discovered that Firefox did not properly manage memory
when using RLBox Expat driver. An attacker could potentially exploits this
issue to cause a denial of service. (CVE-2023-32206)
Anne van Kesteren discovered that Firefox did not properly validate the
import() call in service workers. An attacker could potentially exploits
this to obtain sensitive information. (CVE-2023-32208)
Sam Ezeh discovered that Firefox did not properly handle certain favicon
image files. If a user were tricked into opening a malicicous favicon file,
an attacker could cause a denial of service. (CVE-2023-32209)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
Ubuntu 18.04
After a standard system update you need to restart Firefox to make all the
necessary changes.