What is CVE-2026-12216?

CVE-2026-12216 is a medium-severity vulnerability in Svaarala Duktape, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2026-06-15.

How severe is CVE-2026-12216?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Svaarala Duktape

CVE-2026-12216

A weakness has been identified in svaarala duktape up to 2.99.99. This issue affects some unknown processing of the file duk_api_bytecode.c. Executing a manipulation of the argument count_instr can lead to memory corruption. The attack req…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (1.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Svaarala Duktape — versions 2.99.0, 2.99.1, 2.99.2

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cna@vuldb.com (exploit)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)

Frequently asked questions

What is CVE-2026-12216?: CVE-2026-12216 is a medium-severity vulnerability in Svaarala Duktape, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2026-06-15.
How severe is CVE-2026-12216?: Medium severity. CVSS v3 base score is 5.3 out of 10.