Heap-based Buffer Overflow Affecting quickjs package, versions [0,]
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-CONAN-QUICKJS-13843969
- published6 Nov 2025
- disclosed5 Nov 2025
- creditUnknown
Introduced: 5 Nov 2025
NewCVE-2025-12745 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the js_array_buffer_slice() function. An attacker can access sensitive information or cause application instability by triggering a buffer over-read through crafted input.