CVE-2026-1144

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

HIGH
8.8
CVSS Score
Published: January 19, 2026 at 07:32 AM UTC
Updated: June 17, 2026 at 10:15 AM UTC
1 product affected across 1 vendorQuickjs

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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

A 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (9)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.341737
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.341737
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.735537
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.735538
Issue TrackingExploit
Source: cverecord
https://github.com/quickjs-ng/quickjs/issues/1301
Issue TrackingPatch
Source: cverecord
https://github.com/quickjs-ng/quickjs/pull/1303
ExploitIssue Tracking
Source: cverecord
https://github.com/quickjs-ng/quickjs/issues/1302

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416CWE-119

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