QuickJS 3b45d15 quickjs.c JS_FreeRuntime assertion

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in QuickJS 3b45d15. It has been classified as critical. This impacts the function JS_FreeRuntime of the file quickjs.c. This manipulation causes assertion. This vulnerability appears as CVE-2024-33263. There is no available exploit.

Detailsinfo

A vulnerability has been found in QuickJS 3b45d15 and classified as critical. Affected by this vulnerability is the function JS_FreeRuntime of the file quickjs.c. The manipulation with an unknown input leads to a assertion vulnerability. The CWE definition for the vulnerability is CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. The impact remains unknown. The summary by CVE is:

QuickJS commit 3b45d15 was discovered to contain an Assertion Failure via JS_FreeRuntime(JSRuntime *) at quickjs.c.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2024-33263 since 04/23/2024. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (234476). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

QuickJS

Version

3b45d15

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Assertion
CWE: CWE-617
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/23/2024 🔍
04/26/2024 +3 days 🔍
04/26/2024 +0 days 🔍
09/22/2025 +514 days 🔍

Sourcesinfo

Advisory: 277
Status: Confirmed

CVE: CVE-2024-33263 (🔍)
GCVE (CVE): GCVE-0-2024-33263
GCVE (VulDB): GCVE-100-262183

Entryinfo

Created: 04/26/2024 19:01
Updated: 09/22/2025 18:43
Changes: 04/26/2024 19:01 (52), 04/16/2025 19:58 (2), 09/22/2025 18:43 (1)
Complete: 🔍
Cache ID: 216::103