Incorrect Calculation of Buffer Size Affecting grub2 package, versions [,2.14)
Threat Intelligence
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-GRUB2-14051503
- published20 Nov 2025
- disclosed18 Nov 2025
- creditUnknown
Introduced: 18 Nov 2025
CVE-2025-61661 (opens in a new tab)How to fix?
Upgrade grub2 to version 2.14 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Calculation of Buffer Size via string conversion when reading information from a USB device. An attacker can cause a crash or potentially corrupt data by connecting a maliciously configured USB device during the boot sequence.