A SpiderMonkey security update has been released for Ubuntu Linux 22.04 LTS and 23.04.

[USN-6406-1] SpiderMonkey vulnerabilities

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Ubuntu Security Notice USN-6406-1
October 03, 2023

mozjs102 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.04
- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in SpiderMonkey.

Software Description:
- mozjs102: SpiderMonkey JavaScript library

Details:

Several security issues were discovered in the SpiderMonkey JavaScript
library. If a user were tricked into opening malicious JavaScript
applications or processing malformed data, a remote attacker could exploit
a variety of issues related to JavaScript security, including denial of
service attacks, and arbitrary code execution.

Update instructions:

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

Ubuntu 23.04:
libmozjs-102-0 102.15.1-0ubuntu0.23.04.1

Ubuntu 22.04 LTS:
libmozjs-102-0 102.15.1-0ubuntu0.22.04.1

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
https://ubuntu.com/security/notices/USN-6406-1
CVE-2023-4046

Package Information:
https://launchpad.net/ubuntu/+source/mozjs102/102.15.1-0ubuntu0.23.04.1
https://launchpad.net/ubuntu/+source/mozjs102/102.15.1-0ubuntu0.22.04.1