quickjs-ng quickjs up to 0.11.0 Atomics Ops quickjs.c use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in quickjs-ng quickjs up to 0.11.0. Affected by this vulnerability is an unknown functionality of the file quickjs.c of the component Atomics Ops Handler. This manipulation causes use after free. This vulnerability is tracked as CVE-2026-1144. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in quickjs-ng quickjs up to 0.11.0. It has been declared as critical. Affected by this vulnerability is an unknown code of the file quickjs.c of the component Atomics Ops Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-1144. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

Applying the patch ea3e9d77454e8fc9cb3ef3c504e9c16af5a80141 is able to eliminate this problem. The bugfix is ready for download at github.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: ea3e9d77454e8fc9cb3ef3c504e9c16af5a80141

Timelineinfo

01/18/2026 Advisory disclosed
01/18/2026 +0 days VulDB entry created
01/31/2026 +13 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 1301/1302
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-1144 (🔒)
GCVE (CVE): GCVE-0-2026-1144
GCVE (VulDB): GCVE-100-341737
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/18/2026 14:48
Updated: 01/31/2026 02:47
Changes: 01/18/2026 14:48 (59), 01/18/2026 14:49 (1), 01/19/2026 09:24 (30), 01/31/2026 02:47 (11)
Complete: 🔍
Submitter: mcsky23
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #735537: quickjs-ng quickjs v0.11.0 Use After Free (by mcsky23)

Duplicate

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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