Incorrect Calculation of Buffer Size Affecting electron package, versions <37.2.4
Threat Intelligence
Snyk has reported that there have been attempts or successful attacks targeting 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-ELECTRON-10906462
- published24 Jul 2025
- disclosed15 Jul 2025
- creditUnknown
Introduced: 15 Jul 2025
NewCVE-2025-6558 (opens in a new tab)How to fix?
Upgrade electron to version 37.2.4 or higher.
Overview
electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS.
Affected versions of this package are vulnerable to Incorrect Calculation of Buffer Size via insufficient validation of untrusted input in ANGLE and GPU. An attacker can escape the sandbox by submitting a specially crafted HTML page.