QuickJS Garbage Collection quickjs.h JS_FreeValueRT use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in QuickJS. It has been rated as problematic. Affected by this issue is the function JS_FreeValueRT of the file quickjs.h of the component Garbage Collection Handler. The manipulation leads to use after free. This vulnerability is traded as CVE-2023-48184. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in QuickJS (version unknown) and classified as problematic. This issue affects the function JS_FreeValueRT of the file quickjs.h of the component Garbage Collection Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. The impact remains unknown. The summary by CVE is:

QuickJS before 7414e5f has a quickjs.h JS_FreeValueRT use-after-free because of incorrect garbage collection of async functions with closures.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-48184 since 11/13/2023. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 234476 (Ubuntu 24.04 LTS : QuickJS vulnerabilities (USN-7439-1)), which helps to determine the existence of the flaw in a target environment.

Applying the patch 7414e5f is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Tenable (234476). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 234476
Nessus Name: Ubuntu 24.04 LTS : QuickJS vulnerabilities (USN-7439-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 7414e5f

Timelineinfo

11/13/2023 🔍
04/23/2024 +161 days 🔍
04/23/2024 +0 days 🔍
10/15/2025 +540 days 🔍

Sourcesinfo

Advisory: 198
Status: Confirmed

CVE: CVE-2023-48184 (🔍)
GCVE (CVE): GCVE-0-2023-48184
GCVE (VulDB): GCVE-100-261779

Entryinfo

Created: 04/23/2024 09:52
Updated: 10/15/2025 18:17
Changes: 04/23/2024 09:52 (54), 04/16/2025 19:58 (3), 10/15/2025 18:17 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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