What is the severity of USN-7439-1?

USN-7439-1 addresses a vulnerability in QuickJS that can potentially lead to a denial of service or allow arbitrary code execution.

How can I fix USN-7439-1?

To fix USN-7439-1, upgrade the affected packages libquickjs and quickjs to version 2021.03.27-1ubuntu0.1~esm1 or later.

What are the potential impacts of USN-7439-1?

The impacts of USN-7439-1 include possible crashes of QuickJS and potential exploitation for executing malicious code.

Which versions of Ubuntu are affected by USN-7439-1?

Ubuntu 24.04 is the only version specifically noted as affected by the vulnerability in USN-7439-1.

When was USN-7439-1 published?

USN-7439-1 was published to address the QuickJS vulnerability involving uninitialized memory.

Vulnerability/
USN-7439-1

15/4/2025

USN-7439-1: QuickJS vulnerabilities

First published: Tue Apr 15 2025(Updated: )

It was discovered that QuickJS could be forced to reference uninitialized memory in certain instances. An attacker could possibly use this issue to cause QuickJS to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2023-48183) It was discovered that QuickJS incorrectly managed memory in certain circumstances. An attacker could possibly use this issue to exhaust system resources, resulting in a denial of service. (CVE-2023-48184) It was discovered that QuickJS could be forced to crash due to a failing test. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-33263)

Affected Software	Affected Version	How to fix
All of
ubuntu/libquickjs	<2021.03.27-1ubuntu0.1~esm1	2021.03.27-1ubuntu0.1~esm1
Ubuntu	=24.04
All of
ubuntu/quickjs	<2021.03.27-1ubuntu0.1~esm1	2021.03.27-1ubuntu0.1~esm1
Ubuntu	=24.04

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Frequently Asked Questions

What is the severity of USN-7439-1?
USN-7439-1 addresses a vulnerability in QuickJS that can potentially lead to a denial of service or allow arbitrary code execution.
How can I fix USN-7439-1?
To fix USN-7439-1, upgrade the affected packages libquickjs and quickjs to version 2021.03.27-1ubuntu0.1~esm1 or later.
What are the potential impacts of USN-7439-1?
The impacts of USN-7439-1 include possible crashes of QuickJS and potential exploitation for executing malicious code.
Which versions of Ubuntu are affected by USN-7439-1?
Ubuntu 24.04 is the only version specifically noted as affected by the vulnerability in USN-7439-1.
When was USN-7439-1 published?
USN-7439-1 was published to address the QuickJS vulnerability involving uninitialized memory.

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