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CVE-2025-12745

Date: November 5, 2025

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.

Severity Score

Related Resources (9)

https://github.com/bellard/quickjs/issues/451#issuecomment-3481807558
https://vuldb.com/?submit.678850
https://vuldb.com/?id.331268
https://github.com/bellard/quickjs/issues/451#issue-3533698042
https://github.com/bellard/quickjs/commit/c6fe5a98fd3ef3b7064e6e0145dfebfe12449fea
https://vuldb.com/?ctiid.331268
https://github.com/bellard/quickjs/issues/451
https://nvd.nist.gov/vuln/detail/CVE-2025-12745
https://www.mend.io/vulnerability-database/CVE-2025-12745

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Out-of-bounds Read

CWE-125

Buffer Over-read

CWE-126

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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