svaarala duktape duk_api_bytecode.c memory corruption
Published Jun 15, 2026 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
svaarala duktape duk_api_bytecode.c memory corruption
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- VDB-370859 | svaarala duktape duk_api_bytecode.c memory corruption ↗
- VDB-370859 | CTI Indicators (IOB, IOC, IOA) ↗
- CVE-2026-12216 | CVE Analysis and Report ↗
- Submit #833814 | Duktape https://github.com/svaarala/duktape <=2.99.99 Memory Corruption ↗
- Source repository ↗
Record history
Published Jun 15, 2026 · Last refreshed Nov 3, 2026