CVE-2026-0821

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 v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5	Patch
https://github.com/quickjs-ng/quickjs/issues/1296	Exploit Issue Tracking Vendor Advisory
https://github.com/quickjs-ng/quickjs/issues/1296#issue-3780003395	Exploit Issue Tracking Vendor Advisory
https://github.com/quickjs-ng/quickjs/pull/1299	Issue Tracking
https://vuldb.com/?ctiid.340355	Permissions Required VDB Entry
https://vuldb.com/?id.340355	Third Party Advisory VDB Entry
https://vuldb.com/?submit.731780	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:quickjs-ng:quickjs:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-01-10 13:15

Updated : 2026-01-15 22:22

NVD link : CVE-2026-0821

Mitre link : CVE-2026-0821

CVE.ORG link : CVE-2026-0821

JSON object : View

Products Affected

quickjs-ng

quickjs

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-122

Heap-based Buffer Overflow

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