CVE-2026-12216 (GCVE-0-2026-12216)
Vulnerability from cvelistv5 – Published: 2026-06-15 03:45 – Updated: 2026-06-15 13:19
VLAI
EPSS
VEX
Title
svaarala duktape duk_api_bytecode.c memory corruption
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 13:19 UTC
CWE
- CWE-119 - Memory Corruption
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/370859 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/370859/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12216 | third-party-advisory |
| https://vuldb.com/submit/833814 | third-party-advisory |
| https://github.com/hmKunlun/compileOOB/blob/main/… | exploit |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| svaarala | duktape |
Affected:
2.99.0
Affected: 2.99.1 Affected: 2.99.2 Affected: 2.99.3 Affected: 2.99.4 Affected: 2.99.5 Affected: 2.99.6 Affected: 2.99.7 Affected: 2.99.8 Affected: 2.99.9 Affected: 2.99.10 Affected: 2.99.11 Affected: 2.99.12 Affected: 2.99.13 Affected: 2.99.14 Affected: 2.99.15 Affected: 2.99.16 Affected: 2.99.17 Affected: 2.99.18 Affected: 2.99.19 Affected: 2.99.20 Affected: 2.99.21 Affected: 2.99.22 Affected: 2.99.23 Affected: 2.99.24 Affected: 2.99.25 Affected: 2.99.26 Affected: 2.99.27 Affected: 2.99.28 Affected: 2.99.29 Affected: 2.99.30 Affected: 2.99.31 Affected: 2.99.32 Affected: 2.99.33 Affected: 2.99.34 Affected: 2.99.35 Affected: 2.99.36 Affected: 2.99.37 Affected: 2.99.38 Affected: 2.99.39 Affected: 2.99.40 Affected: 2.99.41 Affected: 2.99.42 Affected: 2.99.43 Affected: 2.99.44 Affected: 2.99.45 Affected: 2.99.46 Affected: 2.99.47 Affected: 2.99.48 Affected: 2.99.49 Affected: 2.99.50 Affected: 2.99.51 Affected: 2.99.52 Affected: 2.99.53 Affected: 2.99.54 Affected: 2.99.55 Affected: 2.99.56 Affected: 2.99.57 Affected: 2.99.58 Affected: 2.99.59 Affected: 2.99.60 Affected: 2.99.61 Affected: 2.99.62 Affected: 2.99.63 Affected: 2.99.64 Affected: 2.99.65 Affected: 2.99.66 Affected: 2.99.67 Affected: 2.99.68 Affected: 2.99.69 Affected: 2.99.70 Affected: 2.99.71 Affected: 2.99.72 Affected: 2.99.73 Affected: 2.99.74 Affected: 2.99.75 Affected: 2.99.76 Affected: 2.99.77 Affected: 2.99.78 Affected: 2.99.79 Affected: 2.99.80 Affected: 2.99.81 Affected: 2.99.82 Affected: 2.99.83 Affected: 2.99.84 Affected: 2.99.85 Affected: 2.99.86 Affected: 2.99.87 Affected: 2.99.88 Affected: 2.99.89 Affected: 2.99.90 Affected: 2.99.91 Affected: 2.99.92 Affected: 2.99.93 Affected: 2.99.94 Affected: 2.99.95 Affected: 2.99.96 Affected: 2.99.97 Affected: 2.99.98 Affected: 2.99.99 cpe:2.3:a:svaarala:duktape:*:*:*:*:*:*:*:* |
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
"lang": "es",
"value": "Se ha identificado una debilidad en svaarala duktape hasta la versi\u00f3n 2.99.99. Este problema afecta a alg\u00fan procesamiento desconocido del archivo duk_api_bytecode.c. La ejecuci\u00f3n de una manipulaci\u00f3n del argumento count_instr puede llevar a corrupci\u00f3n de memoria. El ataque requiere acceso local. El exploit se ha puesto a disposici\u00f3n del p\u00fablico y podr\u00eda ser utilizado para ataques. Se contact\u00f3 al proveedor con antelaci\u00f3n sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."
}
],
"id": "CVE-2026-12216",
"lastModified": "2026-07-24T12:10:00.210",
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"vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P",
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"scope": "UNCHANGED",
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{
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"Recovery": "NOT_DEFINED",
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"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
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{
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{
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{
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},
"redhat_vex": {
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"current_release_date": "2026-08-17T16:13:01+00:00",
"cve": "CVE-2026-12216",
"id": "CVE-2026-12216",
"initial_release_date": "2026-06-15T03:45:07.142000+00:00",
"product_status:known_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Duktape: svaarala duktape duk_api_bytecode.c memory corruption",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12216.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-06-17T02:23:23Z",
"cve": "CVE-2026-12216",
"id": "CVE-2026-12216",
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"product_status:known_affected": "63",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2026-12216",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-12216.json",
"version": "2"
},
"vulnrichment": {
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{
"metrics": [
{
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"id": "CVE-2026-12216",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-15T13:19:02.990625Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-15T13:19:07.593Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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{
"cpes": [
"cpe:2.3:a:svaarala:duktape:*:*:*:*:*:*:*:*"
],
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"vendor": "svaarala",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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},
{
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{
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{
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{
"status": "affected",
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{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
"version": "2.99.49"
},
{
"status": "affected",
"version": "2.99.50"
},
{
"status": "affected",
"version": "2.99.51"
},
{
"status": "affected",
"version": "2.99.52"
},
{
"status": "affected",
"version": "2.99.53"
},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
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},
{
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},
{
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
"status": "affected",
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},
{
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},
{
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{
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{
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},
{
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},
{
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{
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},
{
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{
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{
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{
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{
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},
{
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},
{
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]
}
],
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"type": "reporter",
"value": "kunlun (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
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}
],
"metrics": [
{
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"baseSeverity": "MEDIUM",
"vectorString": "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",
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}
},
{
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}
},
{
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}
},
{
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"vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
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}
}
],
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{
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"description": "Memory Corruption",
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"type": "CWE"
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]
}
],
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"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
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"technical-description"
],
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},
{
"name": "VDB-370859 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/370859/cti"
},
{
"name": "CVE-2026-12216 | CVE Analysis and Report",
"tags": [
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],
"url": "https://vuldb.com/cve/CVE-2026-12216"
},
{
"name": "Submit #833814 | Duktape https://github.com/svaarala/duktape \u003c=2.99.99 Memory Corruption",
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},
{
"tags": [
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],
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{
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{
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"time": "2026-06-14T15:48:28.000Z",
"value": "VulDB entry last update"
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],
"title": "svaarala duktape duk_api_bytecode.c memory corruption"
}
},
"cveMetadata": {
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"cveId": "CVE-2026-12216",
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"dateReserved": "2026-06-14T13:43:24.569Z",
"dateUpdated": "2026-06-15T13:19:11.541Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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