CVE-2026-0821

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.3 /10

CVSS v3 : HIGH

V3 Legend

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

V2 Legend

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

15 Jan 2026, 22:22

Type Values Removed Values Added
CPE cpe:2.3:a:quickjs-ng:quickjs:*:*:*:*:*:*:*:*
First Time Quickjs-ng quickjs
Quickjs-ng
References () https://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5 - () https://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5 - Patch
References () https://github.com/quickjs-ng/quickjs/issues/1296 - () https://github.com/quickjs-ng/quickjs/issues/1296 - Exploit, Issue Tracking, Vendor Advisory
References () https://github.com/quickjs-ng/quickjs/issues/1296#issue-3780003395 - () https://github.com/quickjs-ng/quickjs/issues/1296#issue-3780003395 - Exploit, Issue Tracking, Vendor Advisory
References () https://github.com/quickjs-ng/quickjs/pull/1299 - () https://github.com/quickjs-ng/quickjs/pull/1299 - Issue Tracking
References () https://vuldb.com/?ctiid.340355 - () https://vuldb.com/?ctiid.340355 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.340355 - () https://vuldb.com/?id.340355 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.731780 - () https://vuldb.com/?submit.731780 - Third Party Advisory, VDB Entry

10 Jan 2026, 13:15

Type Values Removed Values Added
New CVE
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