CVE-2026-1144: quickjs-ng quickjs Atomics Ops quickjs.c use after free

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-19 · updated 2026-06-17
Weakness: CWE-119

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 products

quickjs-ng quickjs: through 0.11.0

References

https://github.com/quickjs-ng/quickjs/
https://github.com/quickjs-ng/quickjs/commit/ea3e9d77454e8fc9cb3ef3c504e9c16af5a80141
https://github.com/quickjs-ng/quickjs/issues/1301
https://github.com/quickjs-ng/quickjs/issues/1302
https://github.com/quickjs-ng/quickjs/pull/1303
https://vuldb.com/?ctiid.341737
https://vuldb.com/?id.341737
https://vuldb.com/?submit.735537
https://vuldb.com/?submit.735538

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