QuickJS build_for_in_iterator null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in QuickJS. This affects the function build_for_in_iterator. The manipulation results in null pointer dereference. This vulnerability is known as CVE-2023-48183. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in QuickJS (affected version unknown). It has been classified as problematic. Affected is the function build_for_in_iterator. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-48183 since 11/13/2023. There are known technical details, but no exploit is available.

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 c4cdd61a3ed284cd760faf6b00bbf0cb908da077 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (234476). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: c4cdd61a3ed284cd760faf6b00bbf0cb908da077

Timelineinfo

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

Sourcesinfo

Advisory: 192
Status: Confirmed

CVE: CVE-2023-48183 (🔍)
GCVE (CVE): GCVE-0-2023-48183
GCVE (VulDB): GCVE-100-261780

Entryinfo

Created: 04/23/2024 09:52
Updated: 10/15/2025 16:59
Changes: 04/23/2024 09:52 (54), 04/16/2025 19:58 (3), 10/15/2025 16:59 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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