1. Ubuntu Security Notices
  2. USN-5314-1

USN-5314-1: Firefox vulnerabilities

Publication date

6 March 2022

Overview

Firefox could be made to crash or run programs as your login if it opened a malicious website.

Releases

Packages

  • firefox - Mozilla Open Source web browser

Details

A use-after-free was discovered when removing an XSLT parameter in some
circumstances. If a user were tricked into opening a specially crafted
website, an attacker could exploit this to cause a denial of service, or
execute arbitrary code. (CVE-2022-26485)

A use-after-free was discovered in the WebGPU IPC framework. If a user
were tricked into opening a specially crafted website, an attacker could
exploit this to cause a denial of service, or execute arbitrary code.
(CVE-2022-26486)

A use-after-free was discovered when removing an XSLT parameter in some
circumstances. If a user were tricked into opening a specially crafted
website, an attacker could exploit this to cause a denial of service, or
execute arbitrary code. (CVE-2022-26485)

A use-after-free was discovered in the WebGPU IPC framework. If a user
were tricked into opening a specially crafted website, an attacker could
exploit this to cause a denial of service, or execute arbitrary code.
(CVE-2022-26486)

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
21.10 impish firefox –  97.0.2+build1-0ubuntu0.21.10.1
20.04 focal firefox –  97.0.2+build1-0ubuntu0.20.04.1
18.04 bionic firefox –  97.0.2+build1-0ubuntu0.18.04.1

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References

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