Critical 9.8Published Jan 10, 2026

CVE-2026-0821A vulnerability was determined in quickjs-ng quickjs up to 0.11.0.

Updated under an hour ago (2026-10-19 09:10 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for quickjs-ng quickjs

Exploited in the last 30 days

A vulnerability was determined in quickjs-ng quickjs up to 0.11.0. This vulnerability affects the function js_typed_array_constructor of the file quickjs.c. Executing a manipulation can lead to heap-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. This patch is called c5d80831e51e48a83eab16ea867be87f091783c5. A patch should be applied to remediate this issue.

CVSS: 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-119, CWE-122
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

quickjs-ng quickjs quickjs-ng:quickjs	through 0.11.0	NVD

References

https://github.com/quickjs-ng/quickjs/
https://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5patch
https://github.com/quickjs-ng/quickjs/issues/1296exploit, issue-tracking, vendor-advisory
https://github.com/quickjs-ng/quickjs/issues/1296#issue-3780003395exploit, issue-tracking, vendor-advisory
https://github.com/quickjs-ng/quickjs/pull/1299issue-tracking
https://vuldb.com/?ctiid.340355permissions-required, vdb-entry
https://vuldb.com/?id.340355third-party-advisory, vdb-entry
https://vuldb.com/?submit.731780third-party-advisory, vdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.