A weakness has been identified in QuickJS up to eb2c89087def1829ed99630cb14b549d7a98408c. This affects the function js_array_buffer_slice of the file quickjs.c. This manipulation causes buffer over-read. The attack is restricted to local execution. The exploit has been made available to the public and could be exploited. This product adopts a rolling release strategy to maintain continuous delivery Patch name: c6fe5a98fd3ef3b7064e6e0145dfebfe12449fea. To fix this issue, it is recommended to deploy a patch.

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

This CVE is not in the KEV list.

The EPSS score is 0.00045.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a QuickJS affected
Version Status Constraints
eb2c89087def1829ed99630cb14b549d7a98408c affected
—

Configuration 1 [-]

cpe:2.3:a:bellard:quickjs:*:*:*:*:*:*:*:*

No data.

Vendor Product Confidence Versions
Quickjs-ng Quickjs — —

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Subscriptions

Vendors Products
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Quickjs Subscribe

Tracking

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/bellard/quickjs/commit/c6fe5a98fd3ef3b7064e6e0145dfebfe12449fea cve-icon cve-icon
https://github.com/bellard/quickjs/issues/451 cve-icon cve-icon cve-icon
https://github.com/bellard/quickjs/issues/451#issue-3533698042 cve-icon cve-icon cve-icon
https://github.com/bellard/quickjs/issues/451#issuecomment-3481807558 cve-icon cve-icon cve-icon
https://vuldb.com/?ctiid.331268 cve-icon cve-icon
https://vuldb.com/?id.331268 cve-icon cve-icon
https://vuldb.com/?submit.678850 cve-icon cve-icon
History

Thu, 08 Jan 2026 22:00:00 +0000

Type Values Removed Values Added
First Time appeared Bellard
Bellard quickjs
Weaknesses CWE-125
CPEs cpe:2.3:a:bellard:quickjs:*:*:*:*:*:*:*:*
Vendors & Products Bellard
Bellard quickjs

Thu, 06 Nov 2025 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Quickjs-ng
Quickjs-ng quickjs
Vendors & Products Quickjs-ng
Quickjs-ng quickjs

Wed, 05 Nov 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Wed, 05 Nov 2025 18:45:00 +0000

Type Values Removed Values Added
Description A weakness has been identified in QuickJS up to eb2c89087def1829ed99630cb14b549d7a98408c. This affects the function js_array_buffer_slice of the file quickjs.c. This manipulation causes buffer over-read. The attack is restricted to local execution. The exploit has been made available to the public and could be exploited. This product adopts a rolling release strategy to maintain continuous delivery Patch name: c6fe5a98fd3ef3b7064e6e0145dfebfe12449fea. To fix this issue, it is recommended to deploy a patch.
Title QuickJS quickjs.c js_array_buffer_slice buffer over-read
Weaknesses CWE-119
CWE-126
References
Metrics cvssV2_0

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

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:O/RC:C'}

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:O/RC:C'}

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:

Updated: 2025-11-05T19:26:04.149Z

Reserved: 2025-11-05T13:54:35.678Z

Link: CVE-2025-12745

cve-icon Vulnrichment

Updated: 2025-11-05T18:50:50.230Z

cve-icon NVD

Status : Analyzed

Published: 2025-11-05T19:15:50.390

Modified: 2026-01-08T21:50:36.420

Link: CVE-2025-12745

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-11-06T10:06:53Z

Weaknesses