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 requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Svaarala
  • Duktape

No data.

No data.

References
Link Providers
https://github.com/hmKunlun/compileOOB/blob/main/api_bytecode.md cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-12216 cve-icon
https://vuldb.com/cve/CVE-2026-12216 cve-icon cve-icon cve-icon
https://vuldb.com/submit/833814 cve-icon cve-icon cve-icon
https://vuldb.com/vuln/370859 cve-icon cve-icon cve-icon
https://vuldb.com/vuln/370859/cti cve-icon cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-12216 cve-icon
History

Mon, 15 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 15 Jun 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 threat_severity

Moderate

Mon, 15 Jun 2026 04:15:00 +0000

Type Values Removed Values Added
Description 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 requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Title svaarala duktape duk_api_bytecode.c memory corruption
First Time appeared Svaarala
Svaarala duktape
Weaknesses CWE-119
CPEs cpe:2.3:a:svaarala:duktape:*:*:*:*:*:*:*:*
Vendors & Products Svaarala
Svaarala duktape
References
Metrics cvssV2_0

{'score': 4.3, 'vector': 'AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-06-15T03:45:07.142Z

Updated: 2026-06-15T13:19:11.541Z

Reserved: 2026-06-14T13:43:24.569Z

Link: CVE-2026-12216

cve-icon Vulnrichment

Updated: 2026-06-15T13:19:07.593Z

cve-icon NVD

Status : Deferred

Published: 2026-06-15T04:16:26.140

Modified: 2026-06-15T20:42:32.707

Link: CVE-2026-12216

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-06-15T03:45:07Z

Links: CVE-2026-12216 - Bugzilla