CVE-2026-0821
quickjs-ng quickjs quickjs.c js_typed_array_constructor heap-based overflow
CVSS Score
7.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-122 CWE-119 |
| Vendor | quickjs-ng |
| Product | quickjs |
| Published | Jan 10, 2026 |
| Last Updated | Feb 23, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
quickjs-ng / quickjs
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.10 0.11.0
References
vuldb.com: https://vuldb.com/?id.340355 vuldb.com: https://vuldb.com/?ctiid.340355 vuldb.com: https://vuldb.com/?submit.731780 github.com: https://github.com/quickjs-ng/quickjs/issues/1296 github.com: https://github.com/quickjs-ng/quickjs/pull/1299 github.com: https://github.com/quickjs-ng/quickjs/issues/1296#issue-3780003395 github.com: https://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5 github.com: https://github.com/quickjs-ng/quickjs/
Credits
🔍 mcsky23 (VulDB User)