CVE-2025-46688 (GCVE-0-2025-46688)
Vulnerability from cvelistv5 – Published: 2025-04-27 00:00 – Updated: 2025-04-28 16:19
VLAI
EPSS
VEX
Summary
quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-based buffer overflow. QuickJS before 2025-04-26 is also affected.
Severity
5.6 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-28 15:53 UTC
CWE
- CWE-131 - Incorrect Calculation of Buffer Size
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| QuickJS Project | QuickJS |
Affected:
0 , < 2025-04-26
(custom)
cpe:2.3:a:quickjs_project:quickjs:*:*:*:*:*:*:*:* |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-46688",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-28T15:53:42.347340Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-28T16:19:28.938Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/quickjs-ng/quickjs/issues/1018"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "QuickJS",
"vendor": "QuickJS Project",
"versions": [
{
"lessThan": "2025-04-26",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:quickjs_project:quickjs:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2025-04-26",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-based buffer overflow. QuickJS before 2025-04-26 is also affected."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 5.6,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-131",
"description": "CWE-131 Incorrect Calculation of Buffer Size",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-27T19:40:41.288Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://github.com/quickjs-ng/quickjs/issues/1018"
},
{
"url": "https://github.com/quickjs-ng/quickjs/pull/1020"
},
{
"url": "https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a"
},
{
"url": "https://github.com/quickjs-ng/quickjs/commit/28fa43d3ddff2c1ba91b6e3a788b2d7ba82d1465"
},
{
"url": "https://github.com/bellard/quickjs/issues/399"
},
{
"url": "https://bellard.org/quickjs/Changelog"
}
],
"x_generator": {
"engine": "enrichogram 0.0.1"
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2025-46688",
"datePublished": "2025-04-27T00:00:00.000Z",
"dateReserved": "2025-04-27T00:00:00.000Z",
"dateUpdated": "2025-04-28T16:19:28.938Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-46688",
"date": "2026-09-22",
"epss": "0.00309",
"percentile": "0.2389"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "QuickJS",
"vendor": "QuickJS Project",
"versions": [
{
"lessThan": "2025-04-26",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:quickjs-ng:quickjs:*:*:*:*:*:*:*:*",
"matchCriteriaId": "DBB030BE-5FAC-426C-8C94-AE4DF1852F4D",
"versionEndIncluding": "0.9.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:quickjs_project:quickjs:*:*:*:*:*:*:*:*",
"matchCriteriaId": "9FF5612F-78B0-4200-9EC9-F33075470CD7",
"versionEndExcluding": "2025-04-26",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-based buffer overflow. QuickJS before 2025-04-26 is also affected."
},
{
"lang": "es",
"value": "Las versiones quickjs-ng hasta la 0.9.0 tienen un c\u00e1lculo de tama\u00f1o incorrecto en JS_ReadBigInt para un BigInt, lo que provoca un desbordamiento de b\u00fafer basado en el mont\u00f3n. Las versiones QuickJS anteriores al 26/04/2025 tambi\u00e9n se ven afectadas."
}
],
"id": "CVE-2025-46688",
"lastModified": "2026-06-17T09:26:49.080",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 5.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
"version": "3.1"
},
"exploitabilityScore": 1.4,
"impactScore": 3.7,
"source": "cve@mitre.org",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.5,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-46688",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-28T15:53:42.347340Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-04-27T20:15:15.877",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Product"
],
"url": "https://bellard.org/quickjs/Changelog"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/bellard/quickjs/issues/399"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "https://github.com/quickjs-ng/quickjs/commit/28fa43d3ddff2c1ba91b6e3a788b2d7ba82d1465"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/quickjs-ng/quickjs/issues/1018"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "https://github.com/quickjs-ng/quickjs/pull/1020"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/quickjs-ng/quickjs/issues/1018"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-131"
}
],
"source": "cve@mitre.org",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-131"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-05-06T12:59:16+00:00",
"cve": "CVE-2025-46688",
"id": "CVE-2025-46688",
"initial_release_date": "2025-04-27T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "quickjs-ng: Heap-Based Buffer Overflow in QuickJS\u0027s JS_ReadBigInt Function",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-46688.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-46688",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-28T15:53:42.347340Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-28T15:54:04.908Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/quickjs-ng/quickjs/issues/1018"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "QuickJS",
"vendor": "QuickJS Project",
"versions": [
{
"lessThan": "2025-04-26",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:quickjs_project:quickjs:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2025-04-26",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-based buffer overflow. QuickJS before 2025-04-26 is also affected."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 5.6,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-131",
"description": "CWE-131 Incorrect Calculation of Buffer Size",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-27T19:40:41.288Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://github.com/quickjs-ng/quickjs/issues/1018"
},
{
"url": "https://github.com/quickjs-ng/quickjs/pull/1020"
},
{
"url": "https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a"
},
{
"url": "https://github.com/quickjs-ng/quickjs/commit/28fa43d3ddff2c1ba91b6e3a788b2d7ba82d1465"
},
{
"url": "https://github.com/bellard/quickjs/issues/399"
},
{
"url": "https://bellard.org/quickjs/Changelog"
}
],
"x_generator": {
"engine": "enrichogram 0.0.1"
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2025-46688",
"datePublished": "2025-04-27T00:00:00.000Z",
"dateReserved": "2025-04-27T00:00:00.000Z",
"dateUpdated": "2025-04-28T16:19:28.938Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
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.
Loading…
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.
Loading…
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.
Loading…