Advisory Published

USN-6992-1: Firefox vulnerabilities

First published: Thu Sep 05 2024(Updated: )

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-2024-8382, CVE-2024-8383, CVE-2024-8386, CVE-2024-8387, CVE-2024-8389) Nils Bars discovered that Firefox contained a type confusion vulnerability when performing certain property name lookups. An attacker could potentially exploit this issue to cause a denial of service, or execute arbitrary code. (CVE-2024-8381) It was discovered that Firefox did not properly manage memory during garbage collection. An attacker could potentially exploit this issue to cause a denial of service, or execute arbitrary code. (CVE-2024-8384) Seunghyun Lee discovered that Firefox contained a type confusion vulnerability when handling certain ArrayTypes. An attacker could potentially exploit this issue to cause a denial of service, or execute arbitrary code. (CVE-2024-8385)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/firefox<130.0+build2-0ubuntu0.20.04.1
130.0+build2-0ubuntu0.20.04.1
Ubuntu=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-6992-1?

    USN-6992-1 addresses multiple high-severity vulnerabilities in Firefox that could lead to denial of service, data leakage, or arbitrary code execution.

  • How do I fix USN-6992-1?

    To resolve USN-6992-1, update Firefox to version 130.0+build2-0ubuntu0.20.04.1 or later on Ubuntu 20.04.

  • What vulnerabilities are covered under USN-6992-1?

    USN-6992-1 covers multiple vulnerabilities including CVE-2024-8382 and CVE-2024-8385, among others.

  • Who is affected by USN-6992-1?

    Users of Firefox on Ubuntu 20.04 are affected by the vulnerabilities described in USN-6992-1.

  • What could happen if I don't address USN-6992-1?

    If not addressed, the vulnerabilities in USN-6992-1 could allow attackers to exploit Firefox for denial of service attacks or to execute arbitrary code.

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