CVE-2025-46688

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.

CVSS v3 5.6 MEDIUM

5.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.4 / Impact : 3.7

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

References

Link	Resource
https://bellard.org/quickjs/Changelog	Product
https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a	Patch
https://github.com/bellard/quickjs/issues/399	Exploit Third Party Advisory
https://github.com/quickjs-ng/quickjs/commit/28fa43d3ddff2c1ba91b6e3a788b2d7ba82d1465	Patch
https://github.com/quickjs-ng/quickjs/issues/1018	Third Party Advisory
https://github.com/quickjs-ng/quickjs/pull/1020	Patch
https://github.com/quickjs-ng/quickjs/issues/1018	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:quickjs-ng:quickjs::::::::
	cpe:2.3:a:quickjs_project:quickjs::::::::

History

30 May 2025, 16:29

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-04-27 20:15

Updated : 2025-05-30 16:29

NVD link : CVE-2025-46688

Mitre link : CVE-2025-46688

CVE.ORG link : CVE-2025-46688

JSON object : View

Products Affected

quickjs_project

quickjs

quickjs-ng

quickjs

CWE

CWE-131

Incorrect Calculation of Buffer Size

{"id": "CVE-2025-46688", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.6, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 3.7, "exploitabilityScore": 1.4}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.5}]}, "published": "2025-04-27T20:15:15.877", "references": [{"url": "https://bellard.org/quickjs/Changelog", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "https://github.com/bellard/quickjs/issues/399", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/quickjs-ng/quickjs/commit/28fa43d3ddff2c1ba91b6e3a788b2d7ba82d1465", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "https://github.com/quickjs-ng/quickjs/issues/1018", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/quickjs-ng/quickjs/pull/1020", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "https://github.com/quickjs-ng/quickjs/issues/1018", "tags": ["Third Party Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-131"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-131"}]}], "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."}], "lastModified": "2025-05-30T16:29:54.640", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:quickjs-ng:quickjs:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DBB030BE-5FAC-426C-8C94-AE4DF1852F4D", "versionEndIncluding": "0.9.0"}, {"criteria": "cpe:2.3:a:quickjs_project:quickjs:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9FF5612F-78B0-4200-9EC9-F33075470CD7", "versionEndExcluding": "2025-04-26"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}