quickjs-ng quickjs Atomics Ops quickjs.c use after free

Summary

CVECVE-2026-1144
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-01-19 08:16:04 UTC
Updated2026-04-29 01:00:01 UTC
DescriptionA vulnerability was detected in quickjs-ng quickjs up to 0.11.0. Affected is an unknown function of the file quickjs.c of the component Atomics Ops Handler. The manipulation results in use after free. The attack can be executed remotely. The exploit is now public and may be used. The patch is identified as ea3e9d77454e8fc9cb3ef3c504e9c16af5a80141. Applying a patch is advised to resolve this issue.

Risk And Classification

Primary CVSS: v4.0 2.1 LOW from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-119 | CWE-416 | CWE-416 Use After Free | CWE-119 Memory Corruption


VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.1LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1[email protected]Secondary6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
3.1CNADECLARED6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3.0CNADECLARED6.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
2.0CNADECLARED7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Quickjs-ng Quickjs All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Quickjs-ng Quickjs affected 0.1 Not specified
CNA Quickjs-ng Quickjs affected 0.2 Not specified
CNA Quickjs-ng Quickjs affected 0.3 Not specified
CNA Quickjs-ng Quickjs affected 0.4 Not specified
CNA Quickjs-ng Quickjs affected 0.5 Not specified
CNA Quickjs-ng Quickjs affected 0.6 Not specified
CNA Quickjs-ng Quickjs affected 0.7 Not specified
CNA Quickjs-ng Quickjs affected 0.8 Not specified
CNA Quickjs-ng Quickjs affected 0.9 Not specified
CNA Quickjs-ng Quickjs affected 0.10 Not specified
CNA Quickjs-ng Quickjs affected 0.11.0 Not specified

References

ReferenceSourceLinkTags
github.com/quickjs-ng/quickjs/issues/1301 [email protected] github.com Exploit, Issue Tracking
vuldb.com [email protected] vuldb.com Permissions Required, VDB Entry
github.com/quickjs-ng/quickjs/issues/1302 [email protected] github.com Exploit, Issue Tracking
vuldb.com [email protected] vuldb.com Third Party Advisory, VDB Entry
vuldb.com [email protected] vuldb.com Third Party Advisory, VDB Entry
vuldb.com [email protected] vuldb.com Third Party Advisory, VDB Entry
github.com/quickjs-ng/quickjs [email protected] github.com
github.com/quickjs-ng/quickjs/commit/ea3e9d77454e8fc9cb3ef3c504e9c16af5a... [email protected] github.com Patch
github.com/quickjs-ng/quickjs/pull/1303 [email protected] github.com Issue Tracking, Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: mcsky23 (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-01-18T00:00:00.000ZAdvisory disclosed
CNA2026-01-18T01:00:00.000ZVulDB entry created
CNA2026-01-31T02:47:43.000ZVulDB entry last update

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