1. Ubuntu Security Notices
  2. USN-6074-1

USN-6074-1: Firefox vulnerabilities

Publication date

15 May 2023

Overview

Several security issues were fixed in Firefox.

Releases

Packages

  • 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-2023-32205,
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...

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

After a standard system update you need to restart Firefox to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal firefox –  113.0+build2-0ubuntu0.20.04.1
18.04 bionic firefox –  113.0+build2-0ubuntu0.18.04.1

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References

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