quickjs-ng quickjs quickjs.c js_typed_array_constructor heap-based overflow_CVE-2026-0821

6.9 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Description

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.

Basic Information

ID CVE-2026-0821

Source VulDB

Published Jan 10, 2026 at 13:02

Affected Product

Vendor quickjs-ng

Product quickjs

Version 0.1

Affected Versions quickjs-ng quickjs 0.1
quickjs-ng quickjs 0.2
quickjs-ng quickjs 0.3
quickjs-ng quickjs 0.4
quickjs-ng quickjs 0.5
quickjs-ng quickjs 0.6
quickjs-ng quickjs 0.7
quickjs-ng quickjs 0.8
quickjs-ng quickjs 0.9
quickjs-ng quickjs 0.10
quickjs-ng quickjs 0.11.0

CWE Classification

CWE-122 CWE-119

References

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    "lastseen": "",
    "description": "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.",
    "published": "2026-01-10T13:02:07.698Z",
    "modified": "2026-01-10T13:02:07.698Z",
    "type": "cve",
    "title": "quickjs-ng quickjs quickjs.c js_typed_array_constructor heap-based overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.340355\nhttps://vuldb.com/?ctiid.340355\nhttps://vuldb.com/?submit.731780\nhttps://github.com/quickjs-ng/quickjs/issues/1296\nhttps://github.com/quickjs-ng/quickjs/pull/1299\nhttps://github.com/quickjs-ng/quickjs/issues/1296#issue-3780003395\nhttps://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5",
    "id": "CVE-2026-0821",
    "bulletinFamily": "",
    "cwe": [
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        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "quickjs-ng quickjs 0.1\nquickjs-ng quickjs 0.2\nquickjs-ng quickjs 0.3\nquickjs-ng quickjs 0.4\nquickjs-ng quickjs 0.5\nquickjs-ng quickjs 0.6\nquickjs-ng quickjs 0.7\nquickjs-ng quickjs 0.8\nquickjs-ng quickjs 0.9\nquickjs-ng quickjs 0.10\nquickjs-ng quickjs 0.11.0",
    "sourceHref": "",
    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
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        "baseScore": 0,
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        "privilegesRequired": "",
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        "cvssV3": {
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            "baseScore": 0,
            "baseSeverity": "",
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            "privilegesRequired": "",
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "quickjs",
    "version": "0.1",
    "vendor": "quickjs-ng",
    "ai_description": "",
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    "ai_score": 0
}