CVE-2026-0822: quickjs-ng quickjs quickjs.c js_typed_array_sort heap-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-10 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability was identified in quickjs-ng quickjs up to 0.11.0. This issue affects the function js_typed_array_sort of the file quickjs.c. The manipulation leads to heap-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The identifier of the patch is 53eefbcd695165a3bd8c584813b472cb4a69fbf5. To fix this issue, it is recommended to deploy a patch.

Affected products

quickjs-ng quickjs: through 0.11.0

References

https://github.com/quickjs-ng/quickjs/
https://github.com/quickjs-ng/quickjs/commit/53eefbcd695165a3bd8c584813b472cb4a69fbf5
https://github.com/quickjs-ng/quickjs/issues/1297
https://github.com/quickjs-ng/quickjs/issues/1297#issue-3780006202
https://github.com/quickjs-ng/quickjs/pull/1298
https://vuldb.com/?ctiid.340356
https://vuldb.com/?id.340356
https://vuldb.com/?submit.731783

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